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| NON posseduto | |
| Autore principale: | Herschel, William, 1738-1822.
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| Titolo: | On the systems of double stars which are supposed to be binary ones / from the observations of Sir. W. Herschel, and Mssrs. Herschel and South. |
| In: |  Edinburgh journal of science Vol. 8 (1828), p. 40-44 |
| Altri autori: | South, James, 1785-1867.
Herschel, John F.W., 1792-1871. |
| 000000172107 |
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