Trentini, R., D. dos Santos, O. H. Reichow, and R. Piontkewicz. “Dynamic Modeling and Parametric Analysis of the Magnetic Stiffness on a Radial Heteropolar Rotor Magnetic Bearing (RMB)”. International Journal of Electrical and Computer Engineering Research, vol. 1, no. 1, June 2021, pp. 9-14, doi:10.53375/ijecer.2021.18.