Farias, M. S. de, J. F. Schlosser, G. M. Bertollo, G. M. Negri, and L. F. V. de Oliveira. “Effect of Air and Fuel Supercharging on Emissions from an Agricultural Engine”. Científica, vol. 46, no. 4, Nov. 2018, pp. 337-43, doi:10.15361/1984-5529.2018v46n4p337-343.