TY  - GEN
AU  - Subramanian , V.
TI  - A text book in environmental science
SN  - 8173194106
U1  - 333.7 
PY  - 2002///
CY  - New Delhi
PB  - Narosa Publishing House
KW  - ENVIRONMENT
KW  - ECONOMICS
UR  - www.narosa.com
ER  -