TY  - BOOK
AU  - Smith, Thomas M.
TI  - Elements of ecology
SN  - 9788131715574
U1  - 574.5 
PY  - 2008///
CY  - New Delhi : 
PB  - Pearson Education Ltd., 
KW  - Physical environment
KW  - Population growth
KW  - Human ecology
N1  - Include index
ER  -