TY  - BOOK
ED  - AWWA Seminar on Emerging Technologies in Practice
ED  - American Water Works Association.
TI  - Proceedings: Awwa seminar on emerging technologies in practice 
T2  - AWWA seminar proceedings
SN  - 0898675480
AV  - TD429.5 A29 1990
PY  - 1990///
CY  - Denver, colorado
PB  - American water works association
KW  - Agua
KW  - Purificación
KW  - Congresos
N1  - Titulo de la cubierta: emerging technologies in practice; Presented at the awwa annual conference june 17, 1990"
ER  -