I. Takagi

Development of the hard reduction method in the No. 3 bloom caster at Kobe works, Kobe Steel

K. Fujii, K. Ebina, S. Shimono, 1992 .

Development and field test evaluation of optical current and voltage transformers for gas insulated switchgear

E. Mori, S. Kobayashi, I. Takagi, 1991, Proceedings of the 1991 IEEE Power Engineering Society Transmission and Distribution Conference.