by Liu, C.-C., Hsieh, J., Chang, C.H.K., Bocek, J.M., Hsiao, Y.-T.
Published in IEEE transactions on power electronics (01.01.1993)

by Liu, C.-C., Chang, C.H.K., Hsiao, Y.-T., Bocek, J.M.
Published in PESC '88 Record., 19th Annual IEEE Power Electronics Specialists Conference (1988)