Hertzsprung, Ejnar, 1873-1967. | Photographische Messungen von Doppelsternen von 1914.0 bis 1919.4
VIAF ID: 4305147270648835700008 ( Work )
Permalink: http://viaf.org/viaf/4305147270648835700008
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Hertzsprung, Ejnar,
Language | Title | Expression | Sources |
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English | Photographic measurements of double stars from 1914.0 to 1919.4 | 1920 |