1. and ?Solid Waste Management of Plastics,? De Bell and Richardson, Inc., for Manufacturing Chemists Assoc. (1971).
2. ?Disposal of Plastics Waste and Litter,? S.C.I. Monograph No. 35 (1970).
3. and ?An Investigation of the Biodegradability of Packaging Plastics,? Union Carbide Corp. for U.S. Environmental Protection Agency (1970).
4. ?Options for Plastics Waste Management,? presented at the International Symposium on Solid Waste and Litter, Oslo, Norway (1970).
5. ?Hard to Get Rid of,? Pollution Special Report, (October 1970).