Nair, P.K.G. . <br/><br/>
Principles of environmental biology /  
P.K.G.Nair. 
 - Mumbai :   Himalaya Publishing House ,   1990. 
 - iv  ,188p. :   ill.tables ;   21cm .  
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<br/><br/><label>ISBN: </label> Rs 150.00 (Hb) 
<br/><br/><label>Subjects--Index Terms: </label>ENVIRONMENTAL BIOLOGY 
<br/><br/><label>Dewey Class. No.: </label>577  / NAI/P