DDT and the insect problem
Leary, James C
DDT and the insect problem - New York McGraw-Hill Book Company 1946 - vii, 176p. 20 cm.
Roman
DDT (Insecticide)
Insects- Diseases and control
632.951
DDT and the insect problem - New York McGraw-Hill Book Company 1946 - vii, 176p. 20 cm.
Roman
DDT (Insecticide)
Insects- Diseases and control
632.951