TY  - BOOK
AU  - Ghosh, D N .
AU  -  Ghosh,S K.
TI  - Air and water pollution : control engineering
SN  - 978-81-7381-754-0
U1  - 332.72 
PY  - 2012///
CY  - Kolkata
PB  - New Central Book Agency
KW  - Geography
ER  -