@article{articleec4cf200,
title   = {Sewage treatment by anaerobic biological process associated with dissolved air flotation},
author = {Reali, Marco Antonio Penalva and Campos, José Roberto and Rogério Gomes Penetra},
year = {2001},
doi = {10.2166/wst.2001.0472},
journal   = {Water Science & Technology}
}