Subramanian, V.  . <br/><br/>
Text book in environmental science /  
by V.Subranamnian. 
 - New Delhi :   Narosa Publishing House ,   2002 
 - 238p :  
<br/><br/><label>ISBN: </label>81-7319-410-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Life science
<br/><br/><label>Dewey Class. No.: </label>G:55  / P2;9