1. N. Bloembergen,Nonlinear Optics(Benjamin, New York, 1965).
2. R. Z. Sagdeev and A. A. Galeev,Nonlinear Plasma Theory(Benjamin, New York, 1978).
3. O. M. Phillips, inNonlinear Waves, edited by S. Leibovich and A. R. Seebass (Cornell University, Ithaca, N.Y., 1974), p. 186.
4. Nonlinear Damping of Electron Plasma Waves by Induced Decay Into Ion Waves
5. Nonlinear harmonic generation of ion-acoustic waves with dispersion