DDT and the insect problem
Leary, J.C.
DDT and the insect problem by J.C. Leary, et. al. - New York McGraw-Hill Book Company Inc. 1946 - 176 p.
Insecticides
Insect
632.951 / L 438 D
DDT and the insect problem by J.C. Leary, et. al. - New York McGraw-Hill Book Company Inc. 1946 - 176 p.
Insecticides
Insect
632.951 / L 438 D