TY  - BOOK
AU  - Smith, Thomas M.
AU  - Smith, Robert Leo
TI  - Elements of ecology
SN  - 9788131715574
U1  - 577 
PY  - 2006///
CY  - New Delhi
PB  - Pearson
KW  - Ecology
KW  - Ecosystem
KW  - Population
KW  - Aquatic ecosystem
ER  -