1. Magnetic Multipole Containment of Large Uniform Collisionless Quiescent Plasmas
2. P.J. Hirt, M.Q. Tran, to be published in Hel. Phys. Acata. See also P.J. Hirt, M.Q. Tran, LRP 77/73 (unpublished).
3. D. Bohm, in Characteristics of electrical discharges in magnetic fields, eds. A. Gutheric and R.K. Walkerung, Chp. 3.