List of Articles anaerobic biodigestion Open Access Article Abstract Page Full-Text 1 - Gas Emission from Waste of Cows Fed Monensin and Acacia mearnsii Tannins R.J. Tseu F. Perna Junior R.F. Carvalho G.A. Sene A.H. Peres C.B. Tropaldi F. Dos Anjos P.H.M. Rodrigues