Proceedings / 
Awwa semminar on maintaining water quality in distribution systems, presented at the awwa annual conference, June 18, 1989 
 - 15 páginas 
<br/><br/><label>ISBN: </label>0898674956 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Control de calidad del agua<br/>Agua--Microbiología--Manuales<br/>Agua--Distribución--Manuales
<br/><br/><label>LC Class. No.: </label>TD365  / A99 1989