TY  - GEN
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
KW  - ENVIRONMENTAL SCIENCES
UR  - www.phindia .com
ER  -