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Schafer EW, Bowles WA, Hurlbut J (May 1983). "The acute oral toxicity, repellency, and hazard potential of 998 chemicals to one or more species of wild and domestic birds". Archives of Environmental Contamination and Toxicology. 12 (3): 355–82. Bibcode:1983ArECT..12..355S. doi:10.1007/BF01059413. PMID6882015. S2CID32956594.
Schafer EW, Bowles WA, Hurlbut J (May 1983). "The acute oral toxicity, repellency, and hazard potential of 998 chemicals to one or more species of wild and domestic birds". Archives of Environmental Contamination and Toxicology. 12 (3): 355–82. Bibcode:1983ArECT..12..355S. doi:10.1007/BF01059413. PMID6882015. S2CID32956594.
Schafer EW, Bowles WA, Hurlbut J (May 1983). "The acute oral toxicity, repellency, and hazard potential of 998 chemicals to one or more species of wild and domestic birds". Archives of Environmental Contamination and Toxicology. 12 (3): 355–82. Bibcode:1983ArECT..12..355S. doi:10.1007/BF01059413. PMID6882015. S2CID32956594.