Ecology and the environment /  Volume IV 
edited by A.K. Tripathi. 
 - New Delhi :   Ashish Pub. House,    1993. 
 - viii, 314 p. :   ill. ; 23 cm.  23 cm 
 - Protect global earth series. .
<br/><br/><label>ISBN: </label>8170245249 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.
<br/><br/><label>Dewey Class. No.: </label>333.9516