Varsheny C. K. Editor <br/><br/>
Environmental challenges 

 - New Delhi  Wiley Eastern Limited India      1993 
 - 131 p.  cm. 
<br/><br/><label>ISBN: </label>8122405258 
<br/><br/><label>Standard No.: </label>18266 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BIOLOGY
<br/><br/><label>Dewey Class. No.: </label>G:55.1'N9, N3