Wright, Richard T. <br/><br/>
Environmental science : toward a sustainable future /  
Richard T. Wright and Benard J. Nebel. 
 - 8th ed /   . 
 - New Delhi :   Prentice Hall of India ,   2004. 
 - xxi,681p. :   ill. ;   26cm .  
<br/><br/>Includes bibliography 
<br/><br/><label>ISBN: </label>812032157X  Rs. 395.00 
<br/><br/><label>Subjects--Index Terms: </label>ENVIRONMENTAL SCIENCE 
<br/><br/><label>Dewey Class. No.: </label>363.7  / WRI/E