Não informado. (2021). Climatological Bulletin. National Observatory of Athens, Institute of Meteorology and Physics of the Atmospheric Environment.
Chicago-referens (17:e uppl.)Não informado. Climatological Bulletin. Athens: National Observatory of Athens, Institute of Meteorology and Physics of the Atmospheric Environment, 2021.
MLA-referens (8:e uppl.)Não informado. Climatological Bulletin. National Observatory of Athens, Institute of Meteorology and Physics of the Atmospheric Environment, 2021.
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