Agrawal, K. C <br/><br/>
Environmental biology 

 - 2nd 
 - Bileaner  : Agro Botanical Publisher,   1997 
 - 584p.  
<br/><br/><label>ISBN: </label>81-85031-59-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology <br/>| Fisheries <br/>| Environmental pollution <br/>| Environmental biology <br/>| Agriculture 
<br/><br/><label>Dewey Class. No.: </label>574 Ag81E