Vasudevan, N. <br/><br/>
Essentials of environmental science 

 - New Delhi  Narosa Publishing House  2006 
 - xi,294p.  24cm 
<br/><br/><label>ISBN: </label>8173197067 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Science
<br/><br/><label>Dewey Class. No.: </label>577  / VAS