1. Andersson, M., 1999. Personal Interview with Morgan Andersson. Växjö Energi, Sweden, July.
2. Bardouille, P., 1998. Towards the operationalisation of sustainable energy systems: examination of environmental decision-support tools and models, and elaboration of a conceptual framework for sustainable power sector investment analysis and decision-support. Masters Dissertation, International Institute for Industrial Environmental Economics, Lund University, Lund, Sweden.
3. Ditz, D., Ranganathan, J., Darryl Banks, R., 1995. Green Ledgers Case Studies in Corporate Environmental Accounting. World Resources Institute, Washington, DC.
4. E7, 1995. Action towards sustainable development. Montreal: E7 (documents available from the E7 Network of Expertise for the Global Environment Secretariat, 1010 St. Catherine Street West, 6th floor, Montréal, Québec, Canada).
5. EPA, 1996. Incorporating environmental costs and considerations into decision-making: a review of available tools and software-a guide for business and federal facility managers. United States Environmental Protection Agency, Washington DC. (EPA 742-R-95-006).