Rajashekara, K, Bhat, A.K.s., Bose, B K " Power Electronics The Electrical Engineering Handbook Ed. Richard C. Dorf Boca raton crc Press llc. 2000Rajashekara, K., Bhat, A.K.S., Bose, B.K. “Power Electronics” The Electrical Engineering Handbook Ed. Richard C. Dorf Boca Raton: CRC Press LLC, 2000