1. Electron beam welding—an overview;Powers,1988
2. Development of ultra high energy density heat source and its application to heat processing;Arata;Okada Memorial Jpn. Soc.,1985
3. Using the electron beam in air to weld conventionally produced sheet metal parts;Powers;Weld, J.,1989
4. Modern Metal Joining Techniques;Schwartz,1969
5. Smithwells Metals Reference Book,1983