Long-term variation in distribution of sunspot groups

Publisher: Edp Sciences

E-ISSN: 1432-0746|424|1|311-315

ISSN: 0004-6361

Source: Astronomy & Astrophysics, Vol.424, Iss.1, 2004-09, pp. : 311-315

Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.

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