DDT and the insect Problem
Leary, James C.
DDT and the insect Problem - New York McGraw Hill Book Company, Inc. 1946 - 176
Agriculture and related technologies
Technology (Applied sciences)
DDT (Insecticide) Insects
632.951 / L38D
DDT and the insect Problem - New York McGraw Hill Book Company, Inc. 1946 - 176
Agriculture and related technologies
Technology (Applied sciences)
DDT (Insecticide) Insects
632.951 / L38D