TY  - BOOK
AU  - Coppel, Harry C.
TI  - Biological insect pest suppression
T2  - Advanced Series in Agricultural Sciences; no.4
U1  - 632.937.12 L7 
PY  - 1977///
CY  - New York
PB  - Springer-Verlag
KW  -  Harry C.Coppel and James W.Mertins.
KW  - Mertins, James W., jt. author
KW  - Insect control-Biological control,Insect control-environmental aspects,Insect pests
ER  -