Não informado. (1922). Japanese journal of astronomy and geophysics. National Research Council of Japan.
Chicago-referens (17:e uppl.)Não informado. Japanese Journal of Astronomy and Geophysics. Tokyo: National Research Council of Japan, 1922.
MLA-referens (8:e uppl.)Não informado. Japanese Journal of Astronomy and Geophysics. National Research Council of Japan, 1922.
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