TY  - BOOK
AU  - Crawley,Michael J.
TI  - Natural enemies: the population biology of predators, parasites and diseases 
SN  - 0-632-02698-7
AV  - QL758 N38
PY  - 1992///
CY  - Boston, Mass.
PB  - Blackwell Scientific
N1  - Incluye bibliografia
ER  -