The Online Books Page

Books by Robert C. Ryans:

Books in the extended shelves:

• Ryans, Robert C: Fish physiology, fish toxicology, and fisheries management : proceedings of an international symposium, Guangzhou, PRC, September 14-16, 1988 (Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, 1990), also by Ga.) Environmental Research Laboratory (Athens (page images at HathiTrust)
• Ryans, Robert C.: Problems of aquatic toxicology, biotesting, and water quality management : proceedings of USA-USSR symposium, Borok, Jaroslavl Oblast, July 30-August 1, 1984 (Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, 1986), also by Ga.) Environmental Research Laboratory (Athens (page images at HathiTrust)
• Ryans, Robert C.: Protection of river basins, lakes, and estuaries : fifteen years of cooperation toward solving environmental problems in the USSR and USA (Published for the U.S. Environmental Protection Agency by the American Fisheries Society, 1988), also by United States Environmental Protection Agency (page images at HathiTrust)

Find more by Robert C. Ryans at your library, or elsewhere.