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Provisional solar and magnetic character-figures, Mount Wilson Observatory, January, February, and March, 1937
Nicholson, Seth B., Mulders, Elizabeth E. S.Volume:
42
Year:
1937
Language:
english
Journal:
Journal of Geophysical Research
DOI:
10.1029/te042i002p00209
File:
PDF, 152 KB
english, 1937