1. R. J. Taylor, Ph.D. thesis, University of California, Los Angeles, (1970).
2. R. Limpaecher and K. R. MacKenzie, inThird International Conference on Quiescent Plasmas(Danish Atomic Energy Commission, Riso, Denmark, 1971), p. 22;
3. Magnetic Multipole Containment of Large Uniform Collisionless Quiescent Plasmas
4. T. K. Samec (private communication).