Astrographic catalogue 1900.0 Greenwich Section : dec. +64° to +90° ; from photographs taken and measured at the Royal Observatory, Greenwich / 4 : Proper motions and photographic magnitudes / under the dir. of Frank Watson Dyson
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| Superior document: | Astrographic catalogue 1900.0 Greenwich Section dec. +64° to +90° ; from photographs taken and measured at the Royal Observatory, Greenwich 4 |
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| VerfasserIn: | |
| Place / Publishing House: | London : His Majesty's Stationery Off., 1921 |
| Year of Publication: | 1921 |
| Language: | English |
| Physical Description: | 24, 181 S. |
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