Biswas Asit K Ed. <br/><br/>
Ozone layer 

 - Oxford  Pergamon            1979 
 - xviii,373p.  cm. 
 - Environmental sciences and applications ,4. United Nations environment programme .
<br/><br/><label>ISBN: </label>0 08 022429 6 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography- Environment
<br/><br/><label>Dewey Class. No.: </label>U:(G:55), L9