1. K. G. Budden, inPhysics of the Ionosphere; Report of the Physical Society Conference, Cavendish Laboratory(Physical Society, London, 1955), p. 320;
2. also T. M. Stix,The Theory of Plasma Waves(McGraw-Hill, New York, 1962), p. 235.
3. Resonance Oscillations in a Hot Nonuniform Plasma Column
4. Wave propagation in non-uniform plasmas near the second electron cyclotron harmonic
5. Excitation of Buchsbaum-Hasegawa waves in a homogeneous, low-temperature plasma cylinder