• Circuit diagrams of AC-DC line-frequency resonant converters with alternation of parallel and series resonant modeJanson, Kuno; Järvik, Jaan; Vinnal, Toomas5th International Conference : Electrical Power Quality and Utilisation : September 15-17, 1999, Cracow, Poland : EPQU'99 : proceedings1999 / p. 479-484 : ill
• Efficient harmonic distortion reduction in diode-bridge rectifiers using parallel re-rectification of the ripple powerSakkos, Tiiu; Sarv, Vello; Soojärv, Jüri5th International Conference : Electrical Power Quality and Utilisation : September 15-17, 1999, Cracow, Poland : EPQU'99 : proceedings1999 / p. 383-390: ill
• Study methods of AC-DC line-frequency resonant converters with alternation of parallel and series resonant modeJanson, Kuno; Järvik, Jaan; Vinnal, Toomas5th International Conference : Electrical Power Quality and Utilisation : September 15-17, 1999, Cracow, Poland : EPQU'99 : proceedings1999 / p. 475-478 : ill