1. J. M. MEEK and J. D. CRAGGY, Electrical Breakdown of Gases, pp. 84, 107, Oxford University Press, London (1953).
2. Design of Induction-Heating Coils for Cylindrical Nonmagnetic Loads
3. N. R. STANSEL, Induction Heating, p. 168, McGraw-Hill Book Company, New York (1949).
4. P. G. SIMPSON, Induction Heating—Coil and System Design, p. 190, McGraw-Hill Book Company, New York (1960).