Biological insect pest suppression
COPPEL, Harry C
Biological insect pest suppression - Berlins 1977 - 314p - Advanced series in agricultural sciences, 4 .
INSECT CONTROL -- BIOLOGICAL CONTROL
INSECT CONTROL -- BIOLOGICAL CONTROL
632.7 C59B
Biological insect pest suppression - Berlins 1977 - 314p - Advanced series in agricultural sciences, 4 .
INSECT CONTROL -- BIOLOGICAL CONTROL
INSECT CONTROL -- BIOLOGICAL CONTROL
632.7 C59B