References
- AMBOLT, N., 1954: Private communication.
- BAKER, W. G. and MARTYN, D. F., 1953: Electric currents in the ionosphere, Phil. Trans. Roy. Soc., 246: A, p. 281.
- BAÑOS, A., 1955: Fundamental wave functions in an unbounded magneto-hydrodynamic field. I. General theory, Phys. Rev., 97, No. 6, p. 143S.
- BIRKELAND, K., 1911: Expedition Norvégienne de 1899-1900, Kristiania, Vid.selsk. Skr. I, 7. See also The Norwegian Aurora Polaris Expedition 1902-1903, I, Second Section, p. 756, Kristiania (1913).
- CHAPMAN, S. and COWLING, T. G., 1939: The mathematical theory of non-uniform gases, Cambridge.
- COWLING, T. G., 1933: Electrical conductivity of ionized gases in the presence of a magnetic field, Mon. Not. Roy. Astr. Soc., 93, p. 90.
- COWLING, T. G., 1945: The electrical conductivity of an ionized gas in a magnetic field with applications to the solar atmos-phere and the ionosphere, Proc. Roy. Soc. A., 183, p.453.
- COWLING, T. G., 1953: Meeting of the Royal Astronomical Society, Geophysical Discussion, The Observatory, 73, No. 873, p. 59.
- HARANG, L., 1941: Pulsations in the terrestrial magnetic records at high latitude stations, Geof. Publ., XIII, No. 3, p. 3.
- HERLOFSON, N., 1950: Magneto-hydrodynamic waves in a compressible fluid conductor, Nature, 165, p. 1020. HINES, C. O., 1953: Wave hypothesis of moving irregularities in the ionosphere, Nature, 171, p. 980.
- HERLOFSON, N., 1955: Hydromagnetic resonance in ionospheric waves, fourn. Atm. and Terr. Phys., 7, p. 14.
- HIRONO, M., 1950: On the influence of the Hall current to the electrical conductivity of the ionosphere, I., J. Geomag. Geoelectr., 2, 1.
- HIRONO, M., 1950: On the influence of the Hall current to the electrical conductivity of the ionosphere. II., ibid., 2, p. 113.
- HIRONO, M., 1952: A theory of diurnal magnetic variations in equatorial regions and conductivity of the ionosphere., ibid., 4, 13, 7.
- HOFFMANN, F. DE and TELLER, E., 1950. Magneto-hydro-dynamic shocks, Phys. Rev., 80, No. 4, p. 692.
- HULST, H. C. VAN OR, 1951: Interstellar polarisation and magneto-hydrodynamic waves, Int. Union of Theor. and Appl. Mech. and Int. Astr. Union, Proc. Sympo-sium, Paris (Dayton, Ohio: Central Air Documents Office, 1951).
- KUIPER, G. P., 1954: The earth as a planet, Univ. of Chicago Press.
- LEHNERT, B., 1954: Magneto-hydrodynamic waves under the action of the Coriolis force, Astrophys. J., 119, 647
- LEHNERT, B., 1955: The decay of magneto-turbulence in the presence of a magnetic field and Coriolis force, Quart. App 1. Math., XII, No. 4, p. 321.
- LUCAS, ILSE, 1954: Durchgang einer ebenen aerody-narnischen Welle von halbtägiger Schwingungsdauer dutch eine ebene Modell-Ionosphire im homogenen Magnetfeld, Archiv der elektrischen übertragung, 8, p. 91.
- MØLLER, C., 1952: The theory of relativity, Oxford, Clarendon Press, p. p. 159, 182 and 163.
- NICOLET, M., 1953: The collision frequency of electrons in the ionosphere, J. Atmosph. Terr. Phys., 3, p. 200.
- OHLSEN, J., 1954: Private communication.
- PIDDINGTON, J. H., 1954 a: The motion of ionized gas in combined magnetic, electric and mechanical fields of force, Mon. Not. Roy. Astr. Soc., 114, No. 6, p. 651.
- PIDDINGTON, J. H., 1954 b: Electromagnetic field equations for a moving medium with Hall conductivity, ibid., 114, No. 6, p. 638.
- RAWER, K., 1953: Die Ionosphäre, P. Noordhoff N. V., Groningen-Holland.
- ROLE, B., 1931: Giant micropulsations at Abisko, Terr. Mag., p. 36, 9.
- STRATTON, J. A., 1941: Electromagnetic theory, McGraw-Hill, New York and London, p. p. 97 and 133.
- WALÉN, C., 194.4: On the theory of sunspots, Arkiv f. mat., astr. o. fysik, 30 A, No. 15.