The Online Books Page

Books by Kenneth J. Macek:

Books in the extended shelves:

• Macek, Kenneth J.: Chronic toxicity of atrazine to selected aquatic invertebrates and fishes (U.S. Environmetal Protection Agency, Office of Research and Development, Environmental Research Laboratory ;, 1976), also by Germeshausen & Grier Edgerton and United States. Environmental Protection Agency. Office of Research and Development (page images at HathiTrust)
• Macek, Kenneth J.: Chronic toxicity of lindane to selected aquatic invertebrates and fishes (U.S. Environmental Protection Agency, Office of Research and Development, Environmental Research Laboratory ;, 1976), also by United States. Environmental Protection Agency. Office of Research and Development and Germeshausen & Grier Edgerton (page images at HathiTrust)
• Macek, Kenneth J.: Toxicity of four pesticides to water fleas and fathead minnows : acute and chronic toxicity of acrolein, heptachlor, endosulfan, and trifluralin to the water flea (Daphnia magna), and the fathead minnow (Pimephales promelas) (Environmental Protection Agency, Office of Research and Development, Environmental Research Laboratory ;, 1976), also by Germeshausen & Grier Edgerton and United States. Environmental Protection Agency. Office of Research and Development (page images at HathiTrust)

Find more by Kenneth J. Macek at your library, or elsewhere.