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Monographie
Pioniere im Osten
Ade Hans Christoph, Ziegfeld Arnold Hillen | Union Deutsche Verlagsgesellschaft | 1923
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Monographie
On a formula representing the mean height of the barometer at the level of the sea
Hansteen Christopher | Published by Robert Grant & son Published by T. Cadell printed for the Society by Neill and company | 1847-1847-1947