TY  - BOOK
AU  - Hajek, Ann
TI  - Natural enemies: an introduction to biological control 
SN  - 0521653851
PY  - 2004///
CY  - Cambridge
PB  - University Press
KW  - Agriculture
KW  - Pests - Biological Control
KW  - Plant Injuries
KW  - Weeds - Biological Control
ER  -