TY  - BOOK
AU  - Begon,Michael
AU  - Howarth, Robert W
AU  - Townsend, Colin R
TI  - Essentials of ecology
SN  - 9780470909133
U1  - 577.22 BEG/E 
PY  - 2018///
CY  - Delhi
PB  - Wiley
KW  - Ecology
ER  -