Wright, Richard T. <br/><br/>
Environmental science :  toward a sustainable future/ 
Richard T. Wright, Dorothy F. Boorse 
 - 11th ed. 
 - New Delhi :  PHI Learning,  2010 
 - xxii, 674 p. :  ill., maps., ports.;  28  cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9788120341296  Rs. 650.00 (pbk) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences
<br/><br/><label>Dewey Class. No.: </label>363.7