Young, M.E., Ball, J., Laing, R.A. and Urquhart, D.C.M (2003).
Maintenance and repair of cleaned stone buildings.
Historic Scotland Technical Advice Note 25. Historic Scotland: Edinburgh. (86 pages)
ISBN 1-903570-80-8

Jones, M.S. and Wakefield, R.D., eds. (1999).
Aspects of Stone Weathering, Decay and Conservation. Proceedings of Swapnet 1997. At, The Robert Gordon University, Aberdeen, UK, 15-17th May 1997. Imperial College Press.
ISBN 1-86094-131-1

Urquhart, D.C.M., Young, M.E. and Cameron, S. (1997).
Stonecleaning of granite buildings.
Historic Scotland Technical Advice Note 9. The Stationery Office: Edinburgh. (41 pages)
ISBN 1-900168-39-1

Cameron, S., Urquhart, D.C.M., Wakefield, R.D. and Young, M.E. (1997).
Biological growths on sandstone buildings: Control & treatment.
Historic Scotland Technical Advice Note 10. The Stationery Office: Edinburgh. (40 pages)
ISBN 1-900168-40-5

Young, V. and Urquhart, D.C.M. (1996).
Access to the Built Heritage: Advice on the provision of access for people with disabilities to historic sites open to the public.
Historic Scotland Technical Advice Note 7. The Stationery Office: Edinburgh. (51 pages)
ISBN 1-900168-23-5

Andrew, C.A., Young, M.E. and Tonge, K.H. (1994).
Stonecleaning: A Guide for Practitioners, Historic Scotland and The Robert Gordon University.
ISBN 0-7480-0874-8

Webster, R.G.M. (ed.) (1992).
Stonecleaning and the Nature, Soiling and Decay Mechanisms of Stone, Proceedings of the International Conference, 14-16th April 1992, Edinburgh, Scotland, Donhead Publishing, London.
ISBN 1-873394-09-8

Young, M.E., Urquhart, D.C.M. and Laing, R.A. (2003).
Maintenance and repair issues for stone cleaned sandstone and granite building façades.
Building and Environment. Vol 38. pp 1125-1131.

Young, M.E. (2002).
To clean or not to clean?
Natural Stone Specialist. August 2002 pp 18-22.

Ball, J. (2002).
Can ISO 14000 and eco-labelling turn the construction industry green?
Building and Environment. Vol 37. pp 421-428.

Ball, J. (2001).
Environmental future state visioning: towards a visual and integrative approach to information management for environmental planning.
Local Environment. Vol 6(3). pp 351-366.

Ball, J., Laing, R.A. and Young, M.E. (2000).
Stonecleaning: Comparing perceptions with physical and financial implications.
Journal of Architectural Conservation. Vol 6(2). pp 47-62.

Low. G.A., Young, M.E., Martin, P.J. and Palfreyman, J.W. (2000).
Assessing the relationship between the dry rot fungus Serpula lachrymans and selected forms of masonry.
International Biodeterioration and Biodegradation. Vol 46(2). pp 141-150.

Young, M.E. and Urquhart, D.C.M. (1998).
Algal growth on building sandstones: effects of chemical stonecleaning methods.
Quarterly Journal of Engineering Geology Vol. 31. pp 315-324.

Urquhart, D.C.M. and Young, M.E. (1998).
Conservation of granite buildings and monuments.
Journal of Architectural Conservation. Vol 4(2). pp 62-78.

Young, M.E. (1998).
Algal and lichen growth following chemical stone cleaning.
Journal of Architectural Conservation. Vol 4(3). pp 48-58.

Pombo, S.F. and Nicholson, K.A. (1998).
The use of field studies on assessing the effects of geographic location on chemically clean sandstones.
Journal of the Scottish Society for Conservation and Restoration.

Laing, R.A. and Urquhart, D.C.M. (1997).
Stone cleaning and its effect on property market selling price.
Journal of Property Research. Vol 14. pp 329-336.

Urquhart, D.C.M., Young, M.E., Wakefield, R.D., Tonge, K.H. and Nicholson, K.A. (1996).
A field investigation of algal growths and biocide efficacy on sandstone buildings and monuments.
Journal of Architectural Conservation. Vol 2, No 1. March 1996. pp 55-73.

Wakefield, R.D., Jones, M.S., Wilson, M.J., Young, M.E., Nicholson, K.A. and Urquhart, D.C.M. (1996).
Investigations of decayed sandstone colonised by a species of Trentepohlia.
Aerobiologia. Vol 12. pp 19-25.

Jones, D., Muehlchen A. and Young, M.E. (1994).
Calcium-rich crystals associated with apothecia of crustose lichens on sandstone
Biomineralization Newsletter.

Urquhart, D.C.M. (1994).
A review of stonecleaning: Research and practice.
Architecture and Surveying Institute Journal. September 1994. pp 30-32.

Savage, D., Cave, M.R., Haigh, D., Mildowski, A.E. and Young, M.E. (1993).
The reaction kinetics of laumontite under hydrothermal conditions.
European Journal of Mineralogy. Vol. 5(3). pp 523-535.

Young, M.E., Cordiner, P.E. and Murray, M. (2003).
Chemical consolidants and water repellents for sandstones in Scotland.
Research Report: Historic Scotland (266 pages).
ISBN 1-903570-20-4

Young, M.E., Ball, J. Laing, R.A., Cordiner, P.E. and Hulls, J. (2003).
The consequences of past stonecleaning intervention on future policy and resources.
Research Report: Historic Scotland (223 pages).
ISBN 1-903570-89-1

Young, M.E. and Martin, P.J. (2001).
Investigations of dampness in granite buildings in Aberdeen. Report to Aberdeen Property Repair Initiative, October 2002. 55pp.

Young, M.E. and Martin, P.J. (2001).
Preliminary investigations of dampness in granite buildings in Aberdeen. Report to Aberdeen Property Repair Initiative, February 2001. 20pp.

Young, M.E. and Budge, C. (2001).
Cost effective salvage and re-use of granite. Report to Aberdeenshire Council, May 2001. 55pp.

Young, M.E., Ball, J., Laing, R.A., Cordiner, P.E. and Scott, J. (2000).
An investigation of the consequences of past stonecleaning intervention on future policy and resources. Report to Historic Scotland.

Young, M.E., Murray, M. and Cordiner, P.E. (1999).
Stone consolidants and chemical treatments in Scotland. Report to Historic Scotland. (298 pages).

Urquhart, D.C.M., Jones, M.S., MacDonald, J., Nicholson, K.A. and Young, M.E. (1996).
Effects of stonecleaning on granite buildings and monuments. Report to Historic Scotland, Scottish Enterprise and Grampian Enterprise. (334 pages)
ISBN 0-9517989-8-7

Young, M.E. and MacDonald, J. (1996).
Literature review on the effects of stonecleaning on granite buildings and monuments. Report to Historic Scotland, Scottish Enterprise and Grampian Enterprise.

Roberts, M. and Urquhart, D.C.M. (1995).
Stonecleaning and stone decay. Research Report to Historic Scotland. (210 pages)

Urquhart, D.C.M., Jones, M.S., Nicholson, K.A., Wakefield, R.D. and Young, M.E. (1995).
Biological growths, biocide treatment, soiling and decay of sandstone buildings and monuments. Report to Historic Scotland.
ISBN 0-9517989-9-5

Young, M.E. and Wakefield, R.D. (1995).
Biological growths, biocide treatment, soiling and decay of sandstone buildings and monuments: a review. Report to Historic Scotland.
ISBN 0-900168-15-4

Nicholson, K.A. (1994).
Impact of oil pollution from the Braer Wreck on Historic Scotland Monuments in Shetland. Report to Historic Scotland. Feb. 1994.

Young, V. and Urquhart, D.C.M. (1994).
Disabled Access to Historic Properties, Report on Research Commission to Historic Scotland.

Webster, R.G.M., Andrew, C.A. , Baxter, S., MacDonald, J., Rocha, M., Thomson, B.W., Tonge, K.H., Urquhart, D.C.M. and Young, M.E. (1992).
Stonecleaning in Scotland: Research Report, Volumes 1-3, Report to Historic Scotland and Scottish Enterprise by Masonry Conservation Research Group, Gilcomston Litho, Aberdeen.
Vol 1: ISBN 0-7480-0449-1, Vol 2: ISBN 0-7480-0450-5, Vol 3: ISBN 0-7480-0451-3

Webster, R.G.M., Andrew, C.A. , Baxter, S., MacDonald, J., Rocha, M., Thomson, B.W., Tonge, K.H., Urquhart, D.C.M. and Young, M.E. (1992).
Stonecleaning in Scotland: Research Summary, Report to Historic Scotland and Scottish Enterprise by Masonry Conservation Research Group, Gilcomston Litho, Aberdeen.
ISBN 0-7480-0452-1

Young, M.E. and Maclean, C. (1992).
Stonecleaning in Scotland: Literature Review, Report to Historic Scotland and Scottish Enterprise by Masonry Conservation Research Group, Gilcomston Litho, Aberdeen.
ISBN 0-7480-0448-3

Young, M.E., Ball, J. and Laing, R.A. (2004).
Quantification of the decay rates of cleaned and soiled building sandstones.
In: Stone Decay: Its Causes and Controls. B.J. Smith and A.V. Turkington (eds.). Proceedings of Weathering 2000. Belfast, 26th - 30th June 2000. Donhead Publishing Ltd., Shaftsbury, UK. pp 13-32.
ISBN 1-873394-57-8

Young, M.E. and Cordiner, P.E. (2004).
Depth profiling of soluble salts in Scottish sandstone buildings
In: Stone deterioration in polluted urban environments. D.J. Mitchell and D.E. Searle (eds.). Land Reconstruction and Management Series. Volume 3. Science Publishers Inc. USA. pp 217-228.
ISBN 1-57808-295-1

Ball, J. and Young, M.E. (2004).
Comparative assessment of decay and soiling of masonry: Methodology and analysis of surveyor variability
In: Stone deterioration in polluted urban environments. D.J. Mitchell and D.E. Searle (eds.). Land Reconstruction and Management Series. Volume 3. Science Publishers Inc. USA. pp 167-190.
ISBN 1-57808-295-1

Young, M.E. Urquhart, D.C.M and Laing, R.A. (abstract, see journal publications above).
Maintenance and repair issues for stone cleaned sandstone and granite building façades
Swapnet 2002. Oxford, UK. 12th - 15th April 2002.

Young, M.E. (2002).
Using electrical conductivity for assessing chemical residues in stone.
In: Proceedings of Swapnet 2001. Understanding and Managing Stone Decay. Richard Prikryl & Heather A. Viles (eds.). Prague, Czech Republic, 7th - 11th May 2001. pp 85-93.
ISBN 80-246-0453-1

Andrew, C.A. (2002).
Perception and aesthetics of weathered stone facades.
In: Proceedings of Swapnet 2001. Understanding and Managing Stone Decay. Richard Prikryl & Heather A. Viles (eds.). Prague, Czech Republic, 7th - 11th May 2001. pp 331-339.
ISBN 80-246-0453-1

Young, M.E. (2001).
[Extended abstract] Using electrical conductivity for assessing chemical residues in stone.
Acta Universitatis Carolinae. Geologica. Vol. 45, No. 1. Univerzita Karlova v Praze. R. Prikryl & H.A. Viles (eds.). ISBN 0001-7132.
Abstracts of Swapnet 2001. Prague, Czech Republic, 7th - 11th May 2001.

Ball, J., Young, M.E. and Laing, R.A. (2000).
Rapid field assessment of stone decay on buildings and monuments.
In: 9th International Conference on Deterioration and Conservation of Stone. Vol. 2, V. Fassina (ed.). Venice, 19th - 24th June 2000. Elsevier, Amsterdam. pp 13-21.
ISBN 0-444-50517-2

Laing, R.A., Ball, J., Scott, J. and Young, M.E. (2000).
The implications of stone cleaning for planned building maintenance.
In: 9th International Conference on Deterioration and Conservation of Stone. Vol. 2, V. Fassina (ed.). Venice, 19th - 24th June 2000. Elsevier, Amsterdam. pp 813-817.
ISBN 0-444-50517-2

Young, M.E., Ball, J. and Laing, R.A. (2000).
Quantification of the long-term effects of stonecleaning on decay of building sandstones.
In: 9th International Conference on Deterioration and Conservation of Stone. Vol. 2, V. Fassina (ed.). Venice, 19th - 24th June 2000. Elsevier, Amsterdam. pp 179-186.
ISBN 0-444-50517-2

Ball, J. and Young, M.E. (2000).
Mapping the decay and weathering of stone: A technique for the assessment of large numbers of buildings.
In: Proceedings of the New Millennium International Forum on Conservation of Cultural Property. 5th - 8th December 2000. Deajeon, South Korea. pp 134-147.

Young, M.E. and Ball, J. (2000).
Effects of conservation treatments on the weathering of sandstone and granite buildings in Scotland.
In: Proceedings of the New Millennium International Forum on Conservation of Cultural Property. 5th - 8th December 2000. Deajeon, South Korea. pp 12-29.

Young, M.E., Ball, J. and Laing, R.A. (1999).
Survey results regarding attitude towards stonecleaning of building sandstones.
In: Durability of Building Materials and Components 8. M.A. Lacasse and D.J. Vanier (eds.). Vancouver, Canada. 30th May - 3rd June 1999. NRC Research Press: Ottawa. pp 635-644.

Laing, R.A., Al-Hajj, A., Ball, J., Scott, J. and Young, M.E. (1999).
Stone cleaning: A life cycle cost model.
In: Durability of Building Materials and Components 8. M.A. Lacasse and D.J. Vanier (eds.). Vancouver, Canada. 30th May - 3rd June 1999. NRC Research Press: Ottawa. pp 1739-1745.

Thomson, L.J. (1999).
Scottish Market Crosses: Understanding the impacts for improved care.
In: Proceedings of Swapnet 1999 [Abstract]. Wolverhampton, UK. 13th - 14th May 1999.

Laing, R.A., Al-Hajj, A., Ball, J., Scott, J. and Young, M.E. (1999).
Using whole life costing techniques to plan for the long term resource implications of stonecleaning.
In: Proceedings of Swapnet 1999 [Abstract]. Wolverhampton, UK. 13th - 14th May 1999.

Young, M.E. and Cordiner, P.E. (1998).
Effects of chemical cleaning on consolidant and water repellent treated sandstones.
In: Proceedings of Swapnet 1998 [Abstract]. Budapest, Hungary. 8th - 12th May 1998.

Pombo, S.F. and Nicholson, K.A. (1998).
The use of accelerated weathering testing for assessing the effects of environmental factors on chemically cleaned sandstone.
In: 16th European Environmental Geochemistry & Health Meeting. Derby, March 1998.

Pombo, S.F. and Nicholson, K.A. (1998).
The use of accelerated weathering testing in assessing the effects of pH and SO2 on chemically cleaned sandstone.
In: Proceedings of Swapnet 1998 [Abstract]. Budapest, Hungary. 8th - 12th May 1998.

Thomson, L.J. and Urquhart, D.C.M. (1998).
Scottish Mercat Croces. Their spiritual and secular significance.
In: J.M. Fladmark (ed.). Proceedings of the Robert Gordon University Heritage Convention. Aberdeen, UK. 1998. pp 461-472.
ISBN 1-873394-24-1

Jones, M.S., Wakefield, R.D., Forsyth, G. and Martin, P.J. (1999).
Aspects of microclimate: Effects on the distribution of a biological community on Hermitage Castle.
In: Aspects of Stone Weathering, Decay and Conservation. Jones, M.S. & Wakefield, R.D. (eds.), Proceedings of Swapnet 1997. At, The Robert Gordon University, Aberdeen, UK, 15-17th May 1997. Imperial College Press, pp 90-102.

Laing, R.A. and Urquhart, D.C.M. (1999).
Cleaning of stone buildings: The applicability of established value assessment methodologies.
In: Aspects of Stone Weathering, Decay and Conservation. Jones, M.S. & Wakefield, R.D. (eds.), Proceedings of Swapnet 1997. At, The Robert Gordon University, Aberdeen, UK, 15-17th May 1997. Imperial College Press, pp 161-169.

Pombo Fernandez, S. and Nicholson, K.A. (1997).
Study on the particle size distribution of two sandstones chemically treated with HF.
In: 15th European Environmental Geochemistry & Health Meeting.

Pombo Fernandez, S., Nicholson, K.A. and Urquhart, D.C.M. (1997).
Effects of artificial weathering on the porosity and physical properties of two Scottish sandstones.
In: Proceedings of the 4th International Conference on Conservation of Historic Monuments in the Mediterranean Basin, Rhodes, Greece, 6-11 May 1997.

Pombo Fernandez, S., Nicholson, K.A. and Urquhart, D.C.M. (1999).
Removal and analysis of soluble salts from chemically cleaned sandstones.
In: Aspects of Stone Weathering, Decay and Conservation. Jones, M.S. & Wakefield, R.D. (eds.), Proceedings of Swapnet 1997. At, The Robert Gordon University, Aberdeen, UK, 15-17th May 1997. Imperial College Press, pp 77-89.

Pombo Fernandez, S. and Martin, P.J. (1999).
Heat and mass transfer at the surface of two sandstone types under different atmospheric conditions (poster abstract).
In: Aspects of Stone Weathering, Decay and Conservation. Jones, M.S. & Wakefield, R.D. (eds.), Proceedings of Swapnet 1997. At, The Robert Gordon University, Aberdeen, UK, 15-17th May 1997. Imperial College Press, p 194.

Thomson, L.J. and Urquhart, D.C.M. (1999).
Scottish market crosses: Towards the development of a risk analysis model.
In: Aspects of Stone Weathering, Decay and Conservation. Jones, M.S. & Wakefield, R.D. (eds.), Proceedings of Swapnet 1997. At, The Robert Gordon University, Aberdeen, UK, 15-17th May 1997. Imperial College Press, pp 138-146.

Young, M.E. and Urquhart, D.C.M. (1999).
Algal and non-algal soiling rates of some Scottish building sandstones.
In: Aspects of Stone Weathering, Decay and Conservation. Jones, M.S. & Wakefield, R.D. (eds.), Proceedings of Swapnet 1997. At, The Robert Gordon University, Aberdeen, UK, 15-17th May 1997. Imperial College Press, pp 114-124.

Jones, M.S., O'Brien, P.F., Haneef, S.J., Thompson, G.E., Wood, G.C. and Cooper, T.P. (1996).
A study of decay occurring in Leinster Granite, House No. 9, Trinity College, Dublin.
In: J. Riederer (ed.). Proceedings of the 8th International Congress on Deterioration and Conservation of Stone. Berlin, Germany. 30th Sept - 4th Oct. 1996. pp 211-221.
ISBN 3-00-000779-2

Jones, M.S. and Thompson, G.E. (1996).
The use of stone thin sections in the study of decay of individual components of stone by pollutants.
In: J. Riederer (ed.). Proceedings of the 8th International Congress on Deterioration and Conservation of Stone. Berlin, Germany. 30th Sept - 4th Oct. 1996. pp 771-782.
ISBN 3-00-000779-2

McStay, D., Wakefield, R.D., Brechet, E. and Jones, M.S. (1996).
Fluorescence characteristics of algae commonly found on sandstone: application to algae mapping.
In: B.J. Smith and P.A. Warke (eds.). Proceedings of Swapnet 95. Stone Weathering and Atmospheric Pollution Network Conference. Belfast, Ireland. 19-20th May 1995. Donhead Publishing: London. pp 68-80.
ISBN 1-873394-20-9

Nicholson, K., Urquhart, D.C.M. and Young, M.E. (1996).
Building stone soiling, cleaning and decay in the urban environment.
In: 14th European Environmental Geochemistry & Health Meeting. London, April 1996.

Pombo, S.F., Nicholson, K.A. and Urquhart, D.C.M. (1996).
Natural and anthropogenic salt weathering of sandstone buildings in Scotland.
Swapnet 1996. May, Portsmouth, UK.

Urquhart, D.C.M., Young, M.E., MacDonald, J., Jones, M.S. and Nicholson, K.A. (1996).
Aberdeen granite buildings: a study of soiling and decay.
In: B.J. Smith and P.A. Warke (eds.). Proceedings of Swapnet 95. Stone Weathering and Atmospheric Pollution Network Conference. Belfast, Ireland. 19-20th May 1995. Donhead Publishing: London. pp 68-80.
ISBN 1-873394-20-9

Wakefield, R.D., Jones, M.S. and Forsyth, G. (1996).
Decay of sandstone colonised by an epilithic algal community.
In: B.J. Smith and P.A. Warke (eds.). Proceedings of Swapnet 95. Stone Weathering and Atmospheric Pollution Network Conference. Belfast, Ireland. 19-20th May 1995. Donhead Publishing: London. pp 88-97.
ISBN 1-873394-20-9

Wakefield, R.D. and Jones, M.S. (1996).
Some effects of masonry biocides on intact and decayed stone.
In: J. Riederer (ed.). Proceedings of the 8th International Congress on Deterioration and Conservation of Stone. Berlin, Germany. 30th Sept - 4th Oct. 1996. pp 703-716.
ISBN 3-00-000779-2

Young, M.E. and Urquhart, D.C.M. (1996).
Factors affecting the growth of algae on cleaned sandstone buildings in Scotland.
In: J. Riederer (ed.). Proceedings of the 8th International Congress on Deterioration and Conservation of Stone. Berlin, Germany. 30th Sept - 4th Oct. 1996. pp 593-599.
ISBN 3-00-000779-2

Jones, M.S. (1995).
Scientific techniques aiding the conservation and restoration of building stone.
In: International Congress on Restoration of Architectural Heritage and Buildings. Argentina, September 1994.

MacDonald, J. and Nicholson, K.A. (1995).
Impact of chemical cleaning agents on sandstone buildings.
In: 13th European Environmental Geochemistry & Health Meeting. Aberdeen, April 1995.

Wakefield, R.D., Jones, M.S. and Forsyth, G. (1995).
The effects of chemical biocides on sandstone.
In: Proceedings of Conservation Science in the UK '95. Hunterian Art Gallery, Glasgow. 18-20th Sept 1995.

Wakefield, R.D., Jones, M.S., Nicholson, K.A. and Wilson, M.J. (1995)
Initial observations into the decay of sandstone colonised by an epilithic algal community.
In: 13th European Environmental Geochemistry & Health Meeting. Aberdeen, April 1995.

Wilson, M.J., Wakefield, R.D. and Nicholson, K.A. (1995).
The effect of oil pollution on stone biodeterioration: the impact of the Braer Wreck on Historic Scotland monuments in Shetland.
In: 13th European Environmental Geochemistry & Health Meeting. Aberdeen, April 1995.

Young, M.E., Wakefield, R.D., Urquhart, D.C.M., Nicholson, K.A. and Tonge, K.H. (1995).
Assessment in a field setting of the efficacy of various biocides on sandstone.
In: International Colloquium on Methods of Evaluating Products for the Conservation of Porous Building Materials in Monuments. Rome. 19-21st June 1995. ICCROM. pp 93-99.

Eley, M., Nicholson, K.A. and K. Tonge (1994).
Stonecleaning: Its impact on the environment.
In: Environmental analysis: Pollution, treatment & impact. Aberdeen, March 1994.

Urquhart, D.C.M., MacDonald, J., Tonge, K.H., Webster, R.G.M and Young, M.E. (1994).
Sandstone cleaning: a risk assessment.
In: Building Pathology 92: International Conference on Building Pathology, 23-25 September 1992, Cambridge.

Young, M.E., J. Jones, M.S., MacDonald, J., Urquhart, D.C.M., Nicholson, K.A. and W.J. McHardy (1996).
Investigations on the soiling and cleaning of some Scottish granites.
In: Workshop on the Degradation and Conservation of Granitic Rocks in Monuments. M.A.Vicente, J. Delgado-Rodrigues, J.Acevedo (eds.), Santiago de Compostela, Spain, 28-30th November 1994. Protection and Conservation of the European Cultural Heritage, Research Report No. 5. pp 429-434.

MacDonald, J. and Tonge, K.H. (1993).
Effects of chemical cleaning processes on Scottish sandstones.
In: Tennent, N.H. (ed.). Conservation Science in the UK, May 1993, pp 11-14.
ISBN 1-873936-22-2

Urquhart, D.C.M., MacDonald, J., Thomson, B.W., Tonge, K.H. and Young, M.E. (1993).
Stonecleaning in Scotland: A Cause for Concern?
In: Management, Maintenance & Modernisation of Buildings; Proc. of International Symposium, Vol. 6, CIB Working Commission 70, Rotterdam 28-30 October, 1992.

Wakefield, R.D., Young, M.E., Tonge, K.H. and Urquhart, D.C.M. (1993).
Effects and efficacy of some masonry biocides applied to Scottish sandstone in the control of biological growths: current studies.
In: Tennent, N.H. (ed.). Conservation Science in the UK, May 1993, pp 15-19.
ISBN 1-873936-22-2

Young, M.E., Andrew, C.A. , MacDonald, J., Thomson, B.W., Tonge, K.H., Urquhart, D.C.M., Webster, R.G.M and Wilson, M.J. (1993).
Stonecleaning in Scotland.
In: Vincente Hernández, A., Molina Ballestros, E. and Rives Arnau, V. (eds.). Alteration de Granitos y Rocas Afines, Avila, Spain, November 1991, Consejo Superior de Investigaciones Científicas, Madrid, pp 173-176.
ISBN 84-00-073487

Young, M.E. (1993).
Stonecleaning of granite buildings and monuments: the use of colour measurement in stonecleaning trials.
In: Tennent, N.H. (ed.). Conservation Science in the UK, May 1993, pp 20-28.
ISBN 1-873936-22-2

Andrew, C.A. (1992).
Towards an aesthetic theory of building soiling.
In: Webster, R.G.M. (ed.). Stonecleaning and the Nature, Soiling and Decay Mechanisms of Stone, Proceedings of the International Conference, 14-16th April 1992, Edinburgh, Scotland, Donhead Publishing, London.
ISBN 1-873394-09-8

Andrew, C.A. and Crawford, E. (1992).
Conservation planning considerations in stone cleaning.
In: Webster, R.G.M. (ed.). Stonecleaning and the Nature, Soiling and Decay Mechanisms of Stone, Proceedings of the International Conference, 14-16th April 1992, Edinburgh, Scotland, Donhead Publishing, London.
ISBN 1-873394-09-8

MacDonald, J., Thomson, B.W. and Tonge, K.H. (1992).
Chemical cleaning of sandstone - comparative laboratory studies.
In: Webster, R.G.M. (ed.). Stonecleaning and the Nature, Soiling and Decay Mechanisms of Stone, Proceedings of the International Conference, 14-16th April 1992, Edinburgh, Scotland, Donhead Publishing, London. pp 217-226.
ISBN 1-873394-09-8

Young, M.E. and Urquhart, D.C.M. (1992).
Abrasive cleaning of sandstone buildings and monuments: an experimental investigation.
In: Webster, R.G.M. (ed.). Stonecleaning and the Nature, Soiling and Decay Mechanisms of Stone, Proceedings of the International Conference, 14-16th April 1992, Edinburgh, Scotland, Donhead Publishing, London.
ISBN 1-873394-09-8

Thomson, L.J. (2000).
Scottish market crosses: The development of a risk assessment model.
PhD Thesis. The Robert Gordon University, Aberdeen, Scotland.

Laing, R.A. (1999).
Stone cleaning: A value assessment.
PhD Thesis. The Robert Gordon University, Aberdeen, Scotland.

Pombo-Fernandez, S. (1999).
Factors influencing salt-induced weathering of building sandstone.
PhD Thesis. The Robert Gordon University, Aberdeen, Scotland.

Young, M.E. (1997).
Biological growths and their relationship to the physical and chemical characteristics of sandstones before and after cleaning.
PhD Thesis. The Robert Gordon University, Aberdeen, Scotland.

Andrew, C.A. (1995).
An investigation into the aesthetic and psychological effects of the soiling and cleaning of building facades.
PhD Thesis. University of St. Andrews, St. Andrews, Scotland.

MacDonald, J. (1993).
The effects of commercial chemical cleaning processes on sandstones in Scotland.
PhD Thesis. The Robert Gordon University, Aberdeen, Scotland.