TY  - BOOK
AU  - Hajek, Ann E.
TI  - Natural enemies;an introduction to biological control
U1  - 632.937 P4 
PY  - 2004///
CY  - Cambridge
PB  - Cambridge University Press
KW  -  Ann E.Hajek
KW  - Biological Control,Pest Control,Entomology
ER  -