Paula Junior, Durval, Luciana Moraes, Sandra Camargo, Edson Nour, and Denis Roston. 2005. “ESTABILIZAÇÃO DE LODOS DE ESGOTO UTILIZANDO REATORES ANAERÓBIOS SEQÜENCIAIS (SISTEMA RAS)”. Brazilian Journal of Environmental Sciences (Online), no. 01 (August), 40-46. http://rbciamb.com.br/index.php/Publicacoes_RBCIAMB/article/view/495.