Sewage -- Purification -- Anaerobic treatment -- Congresses. : Anaerobic digestion : consolidated technology and new challenges : selected proceedings of the 6th Latin American Workshop and Seminar on Anaerobic Digestion, held in Recife, Pernambuco, Brazil, 5-9 November 2000 / issue editors, C.A.L. Chernicharo ... [and others]
