Rajgopalan R. <br/><br/>
Basics of enviromental studies 

 - New Delhi :  Oxford University Press,  1994 
 - 316. 
<br/><br/><label>ISBN: </label>0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sanitary municipal engineering
<br/><br/><label>Dewey Class. No.: </label>628.5  / RAJ