Subba Rao Madireddi V, <br/><br/>
Practical methods in environmental sciences 
by Madireddi V Subba Rao 
 - Delhi  B.R.Publishing Corporation,  2014 
 - 265P. 
<br/><br/><label>ISBN: </label>9789350501627 
<br/><br/><label>Dewey Class. No.: </label>G:55  / Q4