Environmental science 
Richard T Wright,Dorothy F Boorse 
 - 12th ed 
 - New Delhi  [publisher not identified]  2015 
 - xi, 659 p. : ill. ; 24 cm 
<br/><br/> includes index 
<br/><br/><label>ISBN: </label>9789332555389 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental engineering<br/>Environmental management<br/>Environmental sciences