Vasudevan, N. <br/><br/>
Essentials of Environmental Science 
N. Vasudevan 
 - New Delhi  Narosa Pub.  2006 
 - xi, 196 
<br/><br/> Includes bibliographical references and Index 
<br/><br/><label>ISBN: </label>8173197067 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology-Environmental aspects<br/>Environment
<br/><br/><label>Dewey Class. No.: </label>574.5  / VAS P6