Biological control: proceedings
HUFFAKER, C.B
Biological control: proceedings - N.Y 1971 - 511p
INSECTS, INJURIOUS AND BENEFICIAL - BIOLOGICAL CONTROL
INSECTS, INJURIOUS AND BENEFICIAL - BIOL TROL
574.6 S99B
Biological control: proceedings - N.Y 1971 - 511p
INSECTS, INJURIOUS AND BENEFICIAL - BIOLOGICAL CONTROL
INSECTS, INJURIOUS AND BENEFICIAL - BIOL TROL
574.6 S99B