1. F.N. Darmara, “Vacuum Induction Melting: The Revolutionary Influence in Steel Making,” Transcript of the Vacuum Metallurgy Conference, American Vacuum Society, 1967.
2. R. Schlatter, “Melting and Refining Technology of High Temperature Steels and Superalloys—A Review of Recent Process Developments,” Superalloy Proceedings of the Second International Conference, Sponsored by Met. Soc. AIME, Battelle, Columbus, Ohio MCIC-72-10, September 18–20, 1972, pp. A1–40.
3. W.H. Sutton and S.O. Mancuso, “Evaluation of Filter Performance in Purifying MM-200+Hf Melts by the EB Button Test,” Proceedings of the Conference: Electron Beam Melting and Refining State of the Art 1985, ed. by R. Bakish, New Jersey, 1985, pp. 132–140.
4. K.O. Yu, J.A. Dominique, G.E. Maurer and H.D. Flanders, “Macrosegregation in ESR and VAR Processes,” Journal of Metals, Jan., 1986, p. 46.
5. H.A. Johnson and G.K. Bhat, “Electroslag Remelt Superalloys for Gas Turbine Engines,” ASME Publication 68-GT-27, January 1968, Washington, D.C., March 17–21, 1986.