TY  - BOOK
AU  - Bosch, Robert Van den
TI  - Biological control
SN  - 0700202307
U1  - 632.96 21st ed.
PY  - 1973///
CY  - New York
PB  - International Textbook Company Limited
KW  - Insect pets-Biological control
KW  - Pests-Biological control
KW  - Biological control systems
N1  - Index: 170-10
ER  -