TY  - BOOK
AU  - De, Anil Kumar
AU  - De, Arnab Kumar
ED  - 
TI  - Environmental and ecology
SN  - 9788122427516
U1  - 577 
PY  - 2010///
CY  - New Delhi
PB  - New Age International 
KW  - ENVIRONMENTAL SCIENCE
N1  - Includes Index and bibliography
ER  -