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Ionospheric Effects due to the Earth's Orbital Position

Naturevolume 199pages968969 (1963) | Download Citation


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  1. 1

    Appleton, Sir Edward, Nature, 197, 1238 (1963).

  2. 2

    Egedal, J., Publik. fra Det Danske Meteor. Inst. Tillaeg, Copenhagen (1937).

  3. 3

    Heis, E., Zodiakallicht beobachtungen in der Jahren 1847–1875 (1875).

  4. 4

    Brazier, C., see Dauvillier, Physique Solaire et Géophysique, 298 (1962).

  5. 5

    Cortie, A. L., MN, 73, 52 (1912).

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  1. Osservatorio Astrofisico di Arcetri, Florence, Italy

    • DR. G. NOCI


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