TY  - BOOK
AU  - N.F. Gray
TI  - Water Technology : An Introduction for Environmental Scientists and Engineers
SN  - 0-7506-6633-6
U1  - 631.7 
PY  - 2009///
CY  - Boston
PB  - Butterworth-Heinemann
N1  - N.F. Gray: Water Technology : An Introduction for Environmental Scientists and Engineers.  (2nd Ed)  Boston.  Butterworth-Heinemann, 2009. 0-7506-6633-6 Rs. 550.00--(631.7GRA)
ER  -