AWWA Directory, 19 -  : membership list 

 - New York :  American Water Works Association,  19 -19 
 - v. 
 - Journal of the AWWA .
 - Journal of the AWWA .
<br/><br/> La biblioteca tiene: 1962, 1964 
<br/><br/><label>LCCN: </label>19597 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ingenieros norteamericanos--Directorios.<br/>Instituciones científicas--Directorios.
<br/><br/><label>Dewey Class. No.: </label>627.062  / A54