Tripathi.A.K. <br/><br/>
Ecology And Environment Vol-4 ( Protect Globel Earth Series)  Textual Documents 

 - New Delhi  Ashish Publication  1993 
 - 314p. 
<br/><br/><label>ISBN: </label>  
<br/><br/><label>Dewey Class. No.: </label>628.16  / TRI