TY  - BOOK
AU  - Hokkanen, Heikki M. T
TI  - Biological control : benefits and risks
SN  - 9780521544054
U1  - 3678 HOK 
PY  - 1995///
CY  - Cambridge, New York
PB  - Cambridge University Press, OECD/OCDE
KW  - Agricultural pests - Biological control - Congresses
ER  -