F. Cyrilo de Oliveira e O. J. Romero, “Development of the Rodsim numerical simulator for the study of a sucker rod pump, comparing the Gibbs (1963) and Lea (1990) models”, Lat. Am. J. Energy Res., vol. 11, nº 1, p. 12–23, jun. 2024, doi: 10.21712/lajer.2024.v11.n1.p12-23.