na INLIS000000000004154 20210727093606 0010-0721000214 Inggris Metcalf, Robert L. Organic insecticides: their chemistry and mode of action / Robert L. Metcalf x, 392 p.: ill. ; 23 cm. Inc.Index 632951 632.951 MET o New York : Interscience Publishers Inc, 1955 BIOLOGICAL INSECTICIDES CHEMISTRY MODE OF ACTION 440/KA/2021