Principles of agricultural entomology /

ανά Edwards, Ca
Έκδοση 1964

Principles of agricultural entomology

ανά Edwards, CA
Έκδοση 1964

Persistent pesticides in the environment

ανά Edwards, CA
Έκδοση 1973

Environmental pollution by perticides

ανά Edwards, C.A
Έκδοση 1973

Environmental pollution by pesticides

ανά Edwards, C.A
Έκδοση 1974

Environmental pollution by peticides

ανά Edwards, C.A. [ed.]
Έκδοση 1973