1. Ahonen, T. (2000), “Environmental report, Espoo Electricity”, available at: www.esoy.fi/ (interviewed 2 January 2002).
2. Boustead, I. (1997), The Boustead Model 3 for Life Cycle Inventory Calculations, Boustead Consulting, Horsham.
3. Consoli, F., Allen, D., Boustead, I., Fava, J., Franklin, W., Jensen, A.A., de Oude, N., Parrish, R., Perriman, R., Postlethwaite, D., Quay, B., Seguin, J. and Vigon, B. (1993), Guidelines For Life‐Cycle Assessment: A “Code Of Practice”, 1st ed., Society of Environmental Toxicology and Chemistry, Brussels.
4. Curran, M. (1996), Environmental Life‐cycle Assessment, McGraw‐Hill, New York, NY.
5. European Commission (1997), European Methodology for the Evaluation of Environmental Impact of Buildings, Application of Life Cycle Analysis to Buildings, Detailed Description and Review, European Commission Directorate General XII for Science, Research and Development, Programme Apas, Regener project, Final Report.