Proceedings : Awwa seminar on filtration : Meeting new standards : Annual conference, orlando, fl. june, 19, 1988 / Sponsored by the research and water quality division - vi, 147 páginas - AWWA seminar proceedings .

Titulo de la cubierta: filtration, meeting new standards "presented at the awwa conference june 19. no. 20028"

0898674441


Agua--Purificacion--Filtracion--Congresos

TD441 / A98 1988