1. Alfvén, H., Cosmical Electrodynamics, Oxford: Clarendon Press, 1950.
2. Alfvén, H., Existence of electromagnetic-hydrodynamic waves, Nature, 1942, vol. 150, pp. 405–406.
3. Belyaev, P.P., Polyakov, S.V., Rapoport, V.O., and Trakhtengerts, V.Yu., Detection of the resonance structure of the spectrum of atmospheric electromagnetic background noise in the range of short-period geomagnetic pulsations, Dokl. Akad. Nauk SSSR, 1987, vol. 297, pp. 840–843.
4. Dungey, J., Cosmic Electrodynamics, Cambridge: Cambridge Univ. Press, 1958.
5. Ginzburg, V.L., Rasprostranenie elektromagnitnykh voln v plazme (Propagation of Electromagnetic Waves in Plasma), Moscow: Nauka, 1967.