1. W. B. Thompson,An Introduction to Plasma Physics(Pergamon, London, 1962), p. 175;Plasma Physics and Controlled Nuclear Fusion(IAEA, Vienna, 1965), p. 207.
2. Weak Turbulence Theory of Velocity Space Diffusion and the Nonlinear Landau Damping of Waves
3. Plasma kinetic theory without the Markovian approximation: I
4. W. E. Drummond and D. Pines,ibid.Pt. 3, 1049 (1962).