TY  - BOOK
AU  - P.R.Trivedi, 
TI  - Ecology and Environment / 
SN  - 81-7648-532-2
U1  - 333.7 
PY  - 2004///
CY  - New Delhi
PB  - APH
KW  - Ecology
KW  - Environment science
N1  - Includes index
ER  -