1. Inertia-Controlled Ambipolar Diffusion
2. A. Guthrie and R. K. Wakerling,Characteristics of Electrical Discharges in Magnetic Fields(McGraw-Hill Book Company, Inc., New York, 1949), p. 77.
3. S. Chapman and T. G. Cowling,Mathematical Theory of Non-Uniform Gases(Cambridge University Press, London, 1960), p. 48.
4. I. S. Sokolnikoff,Tensor Analysis(John Wiley & Sons, Inc., New York, 1951).
5. Objection may be made to the excluding of u2 in the combined presence of nonvanishing u1 and B3. However, it can be shown that terms involving u2 are negligibly small relative to the other terms in the equation.