Erakusten 1 - 3 emaitzak -- 3 bilaketa honetara '"National Bureau of Standards circular ;"' Findu emaitzak
  1. 1
    Argitaratua 1937
    “...National Bureau of Standards circular ;...”
    Liburua
    Gogokoenen artean sartu
    Gorde:
    Radio instruments and measurements.
  2. 2
    Argitaratua 1947
    “...National Bureau of Standards circular ;...”
    Liburua
    Gogokoenen artean sartu
    Gorde:
    Instructions for the use of basic radio propagation predictions.
  3. 3
    Argitaratua 1948
    “...National Bureau of Standards circular ;...”
    Liburua
    Gogokoenen artean sartu
    Gorde:
    Ionospheric radio propagation.

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