RR Ursae Minoris (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "RR Ursae Minoris" in Spanish language version.

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850^th place

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Jorissen, A.; Frankowski, A.; Famaey, B.; van Eck, S. (2009). «Spectroscopic binaries among Hipparcos M giants. III. The eccentricity - period diagram and mass-transfer signatures». Astronomy and Astrophysics 498 (2). pp. 489-500.
Tsuji, T. (2008). «Cool luminous stars: the hybrid nature of their infrared spectra». Astronomy and Astrophysics 489 (3). pp. 1271-1289.
Pourbaix, D.; Tokovinin, A. A.; Batten, A. H.; Fekel, F. C.; Hartkopf, W. I.; Levato, H.; Morrell, N. I.; Torres, G.; Udry, S. (2004). «SB⁹: The ninth catalogue of spectroscopic binary orbits». Astronomy and Astrophysics 424. pp. 727-732 (Tabla consultada en CDS).