DDT and newer persistent insecticides.
West T F
DDT and newer persistent insecticides. - Second - London Chapman & Hall Ltd., 1950 - 632p.
DDT
Insecticides
Pesticides
WA 240: N50D: WES
DDT and newer persistent insecticides. - Second - London Chapman & Hall Ltd., 1950 - 632p.
DDT
Insecticides
Pesticides
WA 240: N50D: WES