Coppel, Harry Charles, 1918-
Biological insect pest suppression Harry C. Coppel, James W. Mertins - Berlin Springer-Verlag 1977 - xiii, 314 p. ill 24 cm. - Advanced series in agricultural sciences 4 .
Insect pests--Biological control
632 / .7
Biological insect pest suppression Harry C. Coppel, James W. Mertins - Berlin Springer-Verlag 1977 - xiii, 314 p. ill 24 cm. - Advanced series in agricultural sciences 4 .
Insect pests--Biological control
632 / .7