N.F. Gray <br/><br/>
Water Technology : An Introduction for Environmental Scientists and Engineers 

 - 2nd Ed 
 - Boston  Butterworth-Heinemann  2009 
 - 645p 
<br/><br/>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)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>0-7506-6633-6 
<br/><br/><label>Dewey Class. No.: </label>631.7  / GRA