TY  - BOOK
AU  - Wright,Richard T.
TI  - Environmental science toward a sustainable future / 
SN  - 9788120341296
U1  - 363.7 
PY  - 2010///
CY  - New Delhi : 
PB  - PHI Learning , 
KW  - ENVIRONMENTAL SCIENCE
N1  - Includes index
ER  -