1. 2) K. Agusa, M. Kosho and N. Nishiyama: Effect of silicon and oxygen content on the toughness of ferritic weld metal in 9% Ni steel, Quar. J. JWS, 1-2 (1983), 201-209. (in Japanese)
2. 3) K. Agusa, M. Kosho, N. Nishiyama, A. Kamada, Y. Nakano: Matching Ferritic Filler MIG Welding of 9% Ni Steel, KAWASAKI STEEL GIHO, 14-3 (1982), 298-309. (in Japanese)
3. 5) T. Nakamura and K. Hiraoka: Development of stable MIG welding in pure Ar gas by New-Hybrid Wire, IIW Doc. 212-1080-05, International Institute of Welding, 2005.