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| POSSEDUTO (se manca la collocazione vai al documento contenente) | |
| Autore principale: | Hoffmann, Christoph.
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| Titolo: | Constant differences : Friedrich Wilhelm Bessel : the concept of the observer in early nineteenth-century practical astronomy and the history of the personal equation / Christoph Hoffmann. |
| In: |  British journal for the history of science Vol. 40 (2007), p. 333-365 |
| 000001001371 |
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