(1) M. Iemura, T. Nakamura, M. Kurozumi, and J. Yamaguchi : “Discussions of same phase high-pressure mercury lamp operating circuits”, T. IEE Japan, Vol. 115-A, No. 11, pp. 1062-1071 (1995-11) (in Japanese)
(2) M. Iemura, H. Sakamoto, M. Kurozumi, and J. Yamaguchi : “Method to improve Current Wave Forms and Power Factor in the Continuous Dimmer Circuit for High-Presssure Mercury Discharge Lamps”, J. Illum. Engng. Inst. Jpn, Vol. 80 (1996) (in Japanese)