Chhatwal, G.R.  . <br/><br/>
Environmental analysis air, water and soil /  
edited by G.R. Chhatwal... et.al . 
 - New Delhi :   Anmol Publications ,   1989 
 - 204p :  
<br/><br/><label>ISBN: </label>81-7041-229-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental analysis
<br/><br/><label>Dewey Class. No.: </label>G:55  / M9