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Detailed Reference Information
Wolfer 1924
Wolfer, A. (1924). Provisional sun-spot numbers for January to March, 1924. Terrestrial Magnetism and Atmospheric Electricity 29: doi: 10.1029/TE029i002p00089-02. issn: 0096-8013.
Journal
Terrestrial Magnetism and Atmospheric Electricity
Publisher
American Geophysical Union
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