Nair, P. K. G <br/><br/>
Principles of Enviromental Biology / 
P. K. G Nair. 
 - 2nd ed.  
 - Bombay :  Himalaya Publishing Housing,  1993 
 - 190 p. :  ill. ;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology
<br/><br/><label>Dewey Class. No.: </label>577  / NAP 1993