Proceedings / 
Awwa seminar on practical lake management for water quality, June 18, 1989 ; sponsored by water quality division, American water works Association 
 - 86 páginas 
<br/><br/><label>ISBN: </label>0898674964 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Control de calidad del agua--Congresos
<br/><br/><label>LC Class. No.: </label>TD365  / A89