TY  - BOOK
AU  - Begon,Michael
AU  - Harper,John L.
AU  - Townsend,Colin R.
TI  - Ecology: individuals, populations and communities 
SN  - 0632038012 (pbk)
U1  - 577 
PY  - 1996///
CY  - Oxford
PB  - Blackwell Science, 
KW  - ECOLOGIA
ER  -