TY  - BOOK
AU  - Vanden Bosch, Robert
TI  - Introduction to biological control
U1  - 632.96 V20I 
PY  - 1982///
CY  - N. Y.
PB  - Plenum Pr.
KW  - PEST CONTROL -- BIOLOGICAL CONTROL
KW  - INSECT CONTROL -- BIOLOGICAL CONTROL
ER  -