1. J.A. Fava et al., A Technical Framework for Product Life-Cycle Assessments (Washington, D.C.: Society of Environmental Toxicology and Chemistry and the SETAC Foundation for Environmental Education, January 1991).
2. J.A Assies, “Introduction Paper to the SETAC-Europe Workshop on Environmental Life Cycle Analysis of Products” (Leiden, Netherlands, 1991).
3. Product Life-Cycle Assessment: Inventory Guidelines and Principles, EPA/600/R-92/036 (Cincinnati, OH: Risk Reduction Engineering Laboratory, U.S. EPA, November 1992).
4. R.G. Hunt, J.D. Sellers, and W.E. Franklin, “Resource and Environmental Profile Analysis: A Life Cycle Environmental Assessment for Products and Procedures,” Environ. Impact Assess. Review, 12(245) (1992).
5. J.A. Assies, “Towards a General Framework for Life Cycle Assessment” (Paper presented at the IIR Conference on LCA, London, 1992).