TY  - BOOK
AU  - Robert Van Den Bosch
AU  -  P.S. Messenger, 
TI  - Biological control
SN  - 0-7002-02307
U1  - 632.96 
PY  - 1973///
CY  - New York
PB  - Intext Educational Publishers
N1  - Robert Van Den Bosch & P.S. Messenger: Biological control.  New York.  Intext Educational Publishers, 1973. 0-7002-02307--(632.96VAN)
ER  -