Pandey, G N <br/><br/>
Environmental engineering 

 - New Delhi  McGraw Hill Education(India)  2015 
 - ix, 455 p. 
<br/><br/> 3149 04/06/2018 HBD18/7417 15/06/2018 UIET (SFS) 
<br/><br/><label>ISBN: </label> RS615 
<br/><br/><label>Dewey Class. No.: </label>628 P192E