TY  - BOOK
AU  - DeBach, Paul,
TI  - Biological Control of Natural Enemies
SN  - 0521203805
U1  - 632 
PY  - 1974///
CY  - London
PB  - Cambridge University Press
KW  - Biological Pest Control
KW  - Pest Control
KW  - Plant injuries, diseases & pests
ER  -