1. Arata. 1988.‘High temperature engineering’, 6Publ Nikkan Kogyo Shinbun Ltd.
2. Mereca. 1972.‘Electron beam welding’, 73Publ Sanpo Ltd.
3. Welding Society. 1990.‘Guide to welding and joining’, 343Publ Maruzen Co.
4. Goto. 1984. ‘Material’. Electron Beam Welding Study Committee, Welding Society. 1984. EBW-325-84
5. Murakami. 1985. ‘Material’. Electron Beam Welding Study Committee. 1985. EBW-371–85