TY  - BOOK
AU  - Wright, Richard T. 
TI  - Environmental science: toward a sustainable future 
SN  - 9788120336902
U1  - 363.7 
PY  - 2008///
CY  - New Delhi 
PB  - PHI Learning 
KW  - Environmental sciences
N1  - Includes glossary and index
ER  -