1. Use of general equilibrium in regional water resource planning / [Authors: J. Eugène Poirier and John M. Harrington, Jr. Georgetown University Washington : U.S. Environmental Protection Agency]; for sale by the Supt. of Docs, U.S. Govt. Print. Off., 1972. Book Physical ReCAP TD380 .W35
2. Factors affecting pollution referenda. [Prepared] for the Environmental Protection Agency. Abt Associates Washington [Environmental Protection Agency, Water Quality Office]; for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1971. Book Physical ReCAP JLF 81-149