TY  - BOOK
AU  - Joseph Benny
TI  - Environmental studies
SN  - 9780070648135 (pbk)
U1  - G:55, P9;3 
PY  - 2009///
CY  - New Delhi
PB  - Tata McGraw Hill Publishing Company  
KW  -  Environmental studies
KW  - Environmental science
N1  - Appendices 314-338p.; Index 339-347p
ER  -