Environmental engineering. 

 - 6th ed. 
 - Hoboken, N.J. :  Wiley,  2009. 
 - xvii, 382pg. :  ill. ; 
<br/><br/><label>ISBN: </label>9780470083048 (cloth) 0470083042 (cloth) 
<br/><br/><label>LC Class. No.: </label>MED RA643  / E58