Wright, Richard T <br/><br/>
Environmental science : toward a sustainable future 

 - 11 
 -  New Delhi  PHI Learning  2011 
 - xxii, 674p.   
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9788120341296 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental engineering<br/>Environmental science