TY  - BOOK
AU  - Varley, G. C.
AU  - Gradwell, G. R.
AU  - Hassell, Michael P.
TI  - Insect population ecology an analytical approach
U1  - 595.7 
PY  - 1980/// (c.1973)
CY  - Oxford
PB  - Blackewell
KW  - Ecología de insectos
KW  - Insectos
ER  -