TY  - GEN
AU  - Ryan William,J.
TI  - Water treatment and purification
SN  - 8177540025
U1  - 628 
PY  - 2007///
CY  - Jodhpur
PB  - Agrobios
KW  - Water-purification
KW  - Water quality management
N1  - Include Index; HP
ER  -