TY  - BOOK
AU  - Bosch, Robert Van den
AU  - Messenger, P S
TI  - Biological control
SN  - 0700202307
U1  - 595.8/BOS 
PY  - 1973///
CY  - Buzzard
PB  - International Textbook Company Limited
KW  - insect pests
ER  -