TY  - BOOK
ED  - Water Environment Federation.
ED  - Water Environment Federation
TI  - Proceedings: WEFTEC '94, 67th Annual Conference and Exposition
SN  - 1881369749
AV  - TD745 W369 1994
PY  - 1994///-
CY  - Alexandria, Virginia
PB  - Water Environment Federation
KW  - Aguas residuales
KW  - Purificación
KW  - Congresos
ER  -