• Higher harmonics in load-adapting mains Frequency resonant converterJanson, Kuno; Järvik, Jaan; Vinnal, Toomas8th International Conference on Harmonics and Quality of Power, October 14-16, 1998, Athens, Greece : proceedings. Vol. 21998 / p. 859-864: ill https://ieeexplore.ieee.org/document/760155