TY  - BOOK
AU  - Townsend,, Colin R.
TI  - Essentials of ecology
T2  - ENV-SCI
SN  - 1405103280
U1  - 577 TOW-E ESci. 12429 
PY  - 2002///
CY  - London
PB  - Blackwell
KW  - Ecology
ER  -