1. Aiken, R.C., 1985, “Stiff Computation”, Oxford University Press, New York.
2. Allis, W.P., 1956, Motions of Ions and Electrons, in Handbuch der Physik, Vol. XXI, S. Fluegge, ed., Springer, Berlin.
3. Bates, D.R., Kingston, A.E., and McWhirter, R.W.P., 1962a, Recombination between electrons and atomic ions I: Optically thin plasmas, Proc. Roy. Soc. A267:297.
4. Bates, D.R., Kingston, A.E, and McWhirter, R.W.P., 1962b, Recombination between electrons and atomic ions II: Optically thick plasmas, Proc. Roy. Soc., A270:155.
5. Bekefi, G., 1976, Principles of Laser Plasmas. Wiley, New York.