1. J.H. Ausubel and H.E. Sladovich, editors, Technology and Environment (Washington, D.C.: National Academy Press, 1989).
2. IECD, Renewable Natural Resources (Paris, France: OECD Publications, 1989); and Pricing of Water Services, (Idem, 1987), OCED Environmental data (Idem, 1993).
3. E. Merian, editor, Metals and Their Compounds in the Environment: Occurrence, Analysis and Biological Revelence (New York: VCH, 1991).
4. F. Cairncross, Coasting the Earth (Boston, MA: Harvard Business School Press, 1992).
5. Toxics Watch (New York: INFORM, Inc., 1995).