@inproceedings{inproceedings741917ee,
title   = {Treatment of pre-screened domestic sewage in horizontal-flow anaerobic immobilized sludge (HAIS) reactor},
author = {Zaiat, M and Passig, F H and Foresti, Eugênio},
year = {1998},
publisher = {Universidad Catolica de Valparaiso/IAWQ/Universid Tecnica Federico Santa Maria},
booktitle   = {Taller y Seminario Latinoamericano Tratamiento Anaerobio de Aguas Residuales}
}