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ira edward neifert
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Cilt sonuçları
Experiments on the toxic action of certain gases on insects, seeds, and fungi
Ira Edward Neifert · U.S. Dept. of Agriculture
16 sayfa · 1920
Insecticides / Asphyxiating and poisonous Gases
Fumigation against grain weevils with various volatile organic compounds
Ira Edward Neifert · U.S. Dept. of Agriculture
40 sayfa · 1925
Grain / Fumigation / Granary weevil / Control