1. T. K. Fowler, “Lyapunoff’s Stability Criteria for Plasmas,” (appendix) (to be published).
2. M. N. Rosenbluth, “Microinstabilities,” article in Riso Report No. 18, Danish Atomic Energy Commission Research Establishment Riso, International Summer Course in Plasma Physics (1960).
3. O. Buneman, inRadiation and Waves in Plasmas, edited by M. Mitchner (Stanford University Press, Stanford California, 1961).
4. W. E. Drummond and D. Pines, Nucl. Fusion Suppl., Part 3 (to be published).