TY  - BOOK
AU  - Anandan, P.
AU  - Kumaravelan, R.
TI  - Environmental science and engineering
SN  - 81 8829 82 1
U1  - 375.0083 
PY  - 2005///, r2009
CY  - Kolkata
PB  - Scitech
KW  - ENVIRONMENTAL SCIENCE
ER  -