TY  - BOOK
AU  - Bosch ,Robert van den
AU  - Messenger,P.S.
TI  - Biological control
SN  - 0700202307
PY  - 1973///
CY  - Aylesbury
PB  - Intertext
KW  - Insect control
KW  - Biological control
N1  - Includes bibliographies and index
ER  -