De,  Ak  <br/><br/>
Environmental chemistry 7/ed. 

 - 7th edition 
 - New Delhi  :  New Age Int Pub,  2014. 
 - 365 
<br/><br/><label>ISBN: </label>0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Civil Engineering 
<br/><br/><label>Dewey Class. No.: </label>628  / DE,