TY  - BOOK
AU  - Mackauer,Manfred
AU  - Ehler,Lester E.
AU  - Roland,Jens
TI  - Critical issues in biological control
SN  - 1560810297
AV  - SB975 .C75 1990
U1  - 632/.96 
PY  - 1990///
CY  - Andover, Hants [England], New York, NY
PB  - Intercept, VCH Publishers
KW  - Pests
KW  - Biological control
KW  - Biological pest control agents
ER  -