Photometric observations made with the fifteen inch east equatorial during the years ... /
| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
Cambridge, Mass. :
The Observatory,
1909-1913
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| Series: | Annals of the Astronomical Observatory of Harvard College ;
v. 69, pts. 1-2 Open Collections Program at Harvard University Expeditions and discoveries. |
| Subjects: |