https://www.scirp.org/reference/referencespapers?referenceid=1915483
Bach, Fr.-W., Beniyash, A., Lau, K. and Konya, R. (2009) Nonvacuum Electron Beam Welding of...
Bach, Fr.-W., Beniyash, A., Lau, K. and Konya, R. (2009) Nonvacuum Electron Beam Welding of Structural Steels. The Paton Welding Journal, 2009, 22-26.