Kappan, S. <br/><br/>
Paristhithi Samskrithy 
/ by S. Kappan 
 - Changanasserry :  Manusham Publications,  1988 
 - 62 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Ecology, Environmental  Biology, Enviromental Science
<br/><br/><label>Dewey Class. No.: </label>577  / KAP-P