1. J.A. Assies, Risk indicators for use in Life-Cycle Impact Assessment: an approach based on sustainability, IVEM, Center for Energy and Environmental Studies, University of Groningen, Netherlands, 1997, in preparation.
2. Udo de Haes, H.A. (Ed.), Towards a methodology for life cycle impact assessment, Report of the SETAC-Europe working group on Life Cycle Impact Assessment, SETAC-Europe, Brussels, Belgium, 1996.
3. LCA back on track: but is it one track or two?;White;SETAC-Europe LCA News,1995
4. ISO (International Standardization Organization), Environmental management—life cycle assessment—goal and scope definition and inventory (Committee Draft ISO/CD 14041.2), ISO Technical Committee 207 on Environmental Management, Subcommittee 5 on Life Cycle Assessment, Document No. ISO/TC207/SC5N82, Paris, France, 1996.
5. ISO, Environmental management—life cycle assessment—life cycle impact assessment (Committee Draft ISO/CD 14042.1), ISO Technical Committee 207 on Environmental Management, Subcommittee 5 on Life Cycle Assessment, Document No. ISO/TC207/SC5N97, Paris, France, 1997.