Wright, Richard T. <br/><br/>
Environmental science toward a sustainable future /  
by Richard T. Wright. 
 - 11th ed /   . 
 - New Delhi :   PHI Learning ,   2010. 
 - xix, 674p. :   ills. ;   28cm .  
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>9788120341296  RS650.00 
<br/><br/><label>Subjects--Index Terms: </label>ENVIRONMENTAL SCIENCE 
<br/><br/><label>Dewey Class. No.: </label>363.7  / WRI/E