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MATERIALS SCREENED AS ANIMAL SYSTEMIC INSECTICIDES AT KERRVILLE, TEXAS, 1960-1967 (CLASSIC REPRINT) ROGER O. DRUMMOND
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MATERIALS SCREENED AS ANIMAL SYSTEMIC INSECTICIDES AT KERRVILLE, TEXAS, 1960-1967 (CLASSIC REPRINT) ROGER O. DRUMMOND
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DIE BESTIMMUNG DER ZITRONENSÄURELÖSLICHEN PHOSPHORSÄURE IN THOMASMEHLEN (CLASSIC REPRINT) R. DORSCH
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PROCEEDINGS OF THE 1984 SUGAR PROCESSING RESEARCH CONFERENCE U. S. AGRICULTURAL RESEARCH SERVICE
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