Observations made with the Fraunhofer Equatorial of the Durham Observatory from 1853 July to April 1854, by ProfessorChevallier and myself
| Main Author: | Rümker, George |
|---|---|
| Format: | Article |
| Terbitan: |
, 1855
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| Online Access: |
https://zenodo.org/record/2198283 |