Encyclopedia of Environmental Sciences:Vol.1 

 - New Delhi:  Akashdeep Publishing House ,   1995. 
 - 199p.;  21cm 
<br/><br/><label>ISBN: </label>8171582796 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Science
<br/><br/><label>Dewey Class. No.: </label>304.203  / ENC