Proceedings :  Awwa seminar on emerging technologies in practice :  Annual conference, cincinati, ohio, june 17-21, 1990 / 
Sponsored by water quality division 
 - vi, 190 páginas 
 - AWWA seminar proceedings .
<br/><br/> Titulo de la cubierta: emerging technologies in practice  Presented at the awwa annual conference june 17, 1990" 
<br/><br/><label>ISBN: </label>0898675480 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agua--Purificación--Congresos
<br/><br/><label>LC Class. No.: </label>TD429.5  / A29 1990