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Alessandro Massarotti, David W. Latham, Robert P. Stefanik, Jeffrey Fogel. Rotational and Radial Velocities for a Sample of 761 HIPPARCOS Giants and the Role of Binarity. „The Astronomical Journal”. 135 (1), s. 209–231, 2008. DOI: 10.1088/0004-6256/135/1/209. Bibcode: 2008AJ....135..209M. (ang.).
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