(1)
Sá, J. M. e; Urquiaga, S.; Jantalia, C. P.; Soares, L. H. de B.; Alves, B. J. R.; Boddey, R. M.; Marchão, R. L.; Vilela, L. Energy Balance for the Production of Grain, Meat, and Biofuel in Specialized and Mixed Agrosystems. PAB 2013, 48, 1323-1331.