Gray, N. F. <br/><br/>
Water technology :  An introduction for environmental scientissts and engineers  / 
by N. F. Gray 
 - \\  Second edition. 
 - London United state :  Elsevier ,  2005 
 - xvii, 645 p: ills. 
<br/><br/> Includes index 
<br/><br/>Includes bibiliographical reference 
<br/><br/><label>ISBN: </label>9.7807506634e+011 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology.
<br/><br/><label>LC Class. No.: </label>HD 481