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

 - New Delhi  Narosa publishing house  2009 
 - x, 294 p. 
<br/><br/><label>ISBN: </label>9788173197062 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences
<br/><br/><label>Dewey Class. No.: </label>363.7  / VAS