Murthy, K Ramana <br/><br/>
textbook of environmental science 

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 - Delhi  Dominant Publishers and Distributors  2008 
 - vii,301p   
<br/><br/>   
<br/><br/><label>ISBN: </label>81-7888-535-2 
<br/><br/><label>ISSN: </label>
<br/><br/><label>Subjects--Index Terms: </label>Environmental science 
<br/><br/><label>Dewey Class. No.: </label>504