An investigation of the spectra of stars belonging to Class R of the Draper Classification / By W. Carl Rufus
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| Superior document: | Publications of the Astronomical Observatory of the University of Michigan 2,[7] |
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| VerfasserIn: | |
| Place / Publishing House: | Ann Arbor, Mich. : Univ., 1916 |
| Year of Publication: | 1916 |
| Language: | English |
| Series: | Publications of the Astronomical Observatory of the University of Michigan
2,[7] |
| Physical Description: | S. [103] - 143; Ill., graph. Darst. |
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