TY  - BOOK
AU  - Wright,Richard T.
AU  - Nebel,Bernard J  .
TI  - Environmental science : toward a sustainable future / 
SN  - 812032157X
U1  - 363.7 
PY  - 2004///
CY  - New Delhi : 
PB  - Prentice Hall of India , 
KW  - ENVIRONMENTAL SCIENCE
N1  - Includes bibliography
ER  -