1. F. N. Darmara and J. S. Huntington: Experiences in Production Vacuum Melting and Nickel-Base Alloys, ASME Paper No. 55-A-198, Nov., 1955.
2. F. N. Darmara, J. S. Huntington, and E. S. Machlin: Vacuum Induction Melting, Journal of Iron & Steel Institute, vol. 191, p. 266, March, 1959.
3. W. E. Britton, et al.: Vacuum Melting, Harvard Business School, April, 1957.
4. J. H. Moore.: Metal Progress, vol. 64, pp. 103–105, Oct., 1953.
5. W. J. Pennington: Thermodynamics of the Vacuum-Induction Melting Process, paper from 1956 National Symposium on Vacuum Technology, pp. 209–214.