Sunspot and geomagnetic-storm data, derived from Greenwich observations, 1874-1954,
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| Corporate author / creator: | Royal Greenwich Observatory |
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| Imprint: | London, H.M. Stationery Off., 1955. |
| Description: | viii, 106 p. diagrs. 31 cm. |
| Language: | English |
| Subject: | |
| Format: | Print Book |
| URL for this record: | http://pi.lib.uchicago.edu/1001/cat/bib/3208795 |
| Physical Description: | viii, 106 p. diagrs. 31 cm. |
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