TY  - BOOK
AU  - Basak,N.N., x
AU  - x
TI  - Environmental engineering: x
SN  - 0070494630
U1  - 620.8/B297e 
PY  - 2003///
CY  - New Delhi
PB  - Tata McGraw-Hill
KW  - Environmental engineering
KW  - Engineering
N1  - Includes
ER  -