 | Herbicides Toxicology Bibliography. | (1) |
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 | The toxicity of herbicides to mammals, aquatic life, soil microorganisms, beneficial insects and cultivated plants, 1950-65 : a list of selected references / . Condon, Patricia A. (Patricia Aten), 1935- 4n Washington, D.C. : National Agricultural Library, U.S. Dept. of Agriculture, 1968. | |
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