Wright , Richard T .- <br/><br/>
Environmental Science towards a sustainable future / 
Richard T. Wright...at el 
 - 8th ed. 
 - New Delhi :  Prentice-Hall publishers ,  c2004. 
 - xxi, 681p.;  ill.graph, table, drawings  27cm. 
<br/><br/> includes; bibliographical references and indexes. 
<br/><br/><label>ISBN: </label>812032157x 
<br/><br/><label>Subjects--Topical Terms: </label>--Sustainability--Environmental sciences
<br/><br/><label>Dewey Class. No.: </label>574.5222 WRI