Biological control of insect pests and weeds
De Bach, Paul
Biological control of insect pests and weeds - London Chapman & Hall 1964 - 24cm. 844
INSECTS, INJURIOUS AND BENEFICIAL -- CONTROL
INSECTS, INJURIOUS AND BENEFICIAL -- CONTR PEST CONTROL WEED CONTROL
632.96 D30B
Biological control of insect pests and weeds - London Chapman & Hall 1964 - 24cm. 844
INSECTS, INJURIOUS AND BENEFICIAL -- CONTROL
INSECTS, INJURIOUS AND BENEFICIAL -- CONTR PEST CONTROL WEED CONTROL
632.96 D30B