Advance in Environmental Science 

 - Newdelhi,  Ashish Publishing House,  1993, 
 - 359,  21cm, 
<br/><br/><label>ISBN: </label>8170245281 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Sciences
<br/><br/><label>Dewey Class. No.: </label>581.5  / ADV