References
1. M.I. Boulos, P. Fauchais, and E. Pfender, Thermal Plasmas: Fundamentals and Applications, Plenum Press, Springer, 1994.
2. J.J. Lowke, “A Unified Theory of Arcs and their Electrodes,” J. Phys. IV France, vol. 7, C4-283-C4-294, 1997