Sharma Arun Kumar ed <br/><br/>
Biological diversity: Origin, evolution and conservation 

 - New Delhi  Viva books  2012 
 - viii,479p.;24cm 
<br/><br/><label>ISBN: </label>9788130921136 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biodiversity-conservation