Wright, Richard T.  <br/><br/>
Environmental science  toward a sustainable future 
Richard T. Wright 
 - 10th ed. 
 - New Delhi  PHI Learning Pvt. Ltd  2008 
 - xxii, 682p. 
<br/><br/><label>ISBN: </label>9788120336902 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences
<br/><br/><label>Dewey Class. No.: </label>363.7 W935e10