TY  - BOOK
ED  - AWWA Seminar on Filtration : Meeting New Standards
ED  - American Water Works Association.
TI  - Proceedings: Awwa seminar on filtration 
T2  - AWWA seminar proceedings
SN  - 0898674441
AV  - TD441 A98 1988
PY  - 1988///
CY  - Denver, colorado
PB  - American water works association
KW  - Agua
KW  - Purificacion
KW  - Filtracion
KW  - Congresos
N1  - Titulo de la cubierta: filtration, meeting new standards; "presented at the awwa conference june 19. no. 20028"
ER  -