TY  - BOOK
AU  - Srivastava,Manish l, x
AU  - x
TI  - Physico-chemical and microbiological characlers of water: x
SN  - 8170352673
U1  - 628.162/S774p 
PY  - 2002///
CY  - Delhi
PB  - Daya pub.
KW  - Water purification
KW  - Water
N1  - x
ER  -