TY  - BOOK
AU  - Mackauer,Manfred
AU  - Ehler,Lester E.
AU  - Roland,Jens
TI  - Critical issues in biological control
SN  - 0946707197
U1  - 632.96 MAC 
PY  - 1990///
CY  - Andover, Hants [England], New York, NY
PB  - Intercept, VCH Publishers
KW  - Pests
KW  - Biological control
KW  - Biological pest control agents
N1  - Includes bibliographical references
ER  -