TY  - BOOK
AU  - Joseph, Benny
ED  - 
TI  - Environmental studies
SN  - 0-07-0059092-3
U1  - 333.707 
PY  - 2005///
CY  - New Delhi
PB  - Tata Mcgraw - Hill 
KW  - ENVIRONMENTAL SCIENCE
N1  - Includes index
ER  -