Environmental and natural resources: rules, and natural resources / 

 - New Delhi:  Commonwealth publishers,  2009. 
 - 282p;24cm 
 - World environmental science series-6 .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>81 7169 323 7 
<br/><br/><label>Dewey Class. No.: </label>333.79 ENV