TY  - GEN
AU  - Trivedi, P.R. 
TI  - Ecology and environment
SN  - 8176485322
U1  - 574.5 
PY  - 2009///
CY  - New Delhi
PB  - APH Publishing Corporatioon
KW  - Ecology
KW  - Environment sciences
N1  - Includes index
ER  -