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pro vyhledávání: '"Mtsuzaki, Hiroyuki"'
Autor:
Nagaya, Kentaro, Masuda, Kimiaki, Nakamura, Toshio, Miyahara, Hiroko, Mtsuzaki, Hiroyuki, Muraki, Yasushi
Publikováno v:
名古屋大学加速器質量分析計業績報告書. 20:145-151
Variation of the sunspot number, which reflects solar activity, has shown the periodicity of around 11-year since the early 18th century. However, in the period of 1645 to 1715 AD sunspots were almost absent, and this period is called the Maunder Min