Nair, P K G. <br/><br/>
Principles of environmental biology   

 - Bombay :   Himalaya Publication,   1990. 
<br/><br/><label>ISBN: </label>0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Life Sciences
<br/><br/><label>Dewey Class. No.: </label>581.134 15  / 15