D.D.T. and newer persistant insecticides
West, T. F.
D.D.T. and newer persistant insecticides - 2nd - London Chapman and Hall 1950 - xiv+632
pesticides, DDT, insecticides, toxicology
Pharmacology -- Therapeutics
615.285
D.D.T. and newer persistant insecticides - 2nd - London Chapman and Hall 1950 - xiv+632
pesticides, DDT, insecticides, toxicology
Pharmacology -- Therapeutics
615.285

