Moraes, Fábio Brignol de, and Paulo José Abatti. 2021. “A Comparison Between Three- and Four-Coil Wireless Power Transfer Systems With Resonant Coils”. Journal of Microwaves, Optoelectronics and Electromagnetic Applications (JMOe) 20 (1):208-18. https://doi.org/10.1590/2179-10742021v20i1924.