Não informado. (2019). Occasional Notes of the Royal Astronomical Society. Royal Astronomical Society.
Chicago-referens (17:e uppl.)Não informado. Occasional Notes of the Royal Astronomical Society. London: Royal Astronomical Society, 2019.
MLA-referens (8:e uppl.)Não informado. Occasional Notes of the Royal Astronomical Society. Royal Astronomical Society, 2019.
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