ECOLOGY and the environment / 
edited by A.K.Tripathi 
 - New Delhi  Ashish pub.  1993 
 - 4v. (v.4-viii, 314 pages.) 
 - 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>577  / GLO