@article{article406150f4,
title   = {Treatment of low-strength wastewater using immobilized biomass in a sequencing batch external loop reactor: influence of the medium superficial velocity of the stability and performance},
author = {Camargo, Eduardo Freitas Moraes de and Ratusznei, Suzana Maria and Rodrigues, José Alberto Domingues and Zaiat, Marcelo and Borzani, Walter},
year = {2002},
doi = {10.1590/s0104-66322002000300001},
journal   = {Brazilian Journal of Chemical Engineering}
}