TY  - BOOK
AU  - _Sunita Dutta 
TI  - Environmental Issues and Challenges 
SN  - 817648797
AV  - GE 190 .Z33 C45 1995  
PY  - 2009///.
CY  - New Delhi : 
PB  - A.P.H., 
KW  - _Enviromental Issues and Challenges
N1  - Includes index
ER  -