TY  - BOOK
AU  - Debach,Paul
TI  - Biological control by natural enemies
SN  - 0521203805
U1  - 632.96 
PY  - 1974///
CY  - London
PB  - Canbridge University Press
KW  - Agricultural pests
KW  - Biological control
KW  - Insect pests
KW  - Biological pest cotrol agents
N1  - Includes index; Bibliography 299-308
ER  -