1. R. F. Post, inProceedings of the Second United Nations Conference on Peaceful Uses of Atomic Energy(United Nations, Geneva, 1958), Vol. 32, p. 245.
2. J. Berkowitz, H. Grad, and H. Rubin, inProceedings of the Second United Nations Conference on Peaceful Uses of Atomic Energy(United Nations, Geneva, 1958), Vol. 31, p. 177.
3. J. Berkowitz, K. O. Friedrichs, H. Goertzel, H. Grad, J. Killeen, and E. Rubin, inProceedings of Second United Nations Conference on the Peaceful Uses of Atomic Energy(United Nations, Geneva, 1958), Vol. 31, p. 171.
4. Yu. B. Gott, M. S. Ioffe, and V. G. Telkovsky, Nucl. Fusion Suppl. Pt. III, 1045 (1962).