Singh, H.S. <br/>
Principles of environmental conservation. 

 - India  International Book Dist.  1989 
 - 26 cm.  273 page  1  26 cm. 
<br/><br/><label>ISBN: </label>87-7089-101-9 
<br/><br/><label>Standard No.: </label> Available 
<br/><br/><label>Source: </label> Available 
<br/><br/><label>Subjects--Personal Names: </label>
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>363.7 SIP