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Tsuji، Takashi (مايو 2007). "Isotopic abundances of Carbon and Oxygen in Oxygen-rich giant stars". في Kupka، F.؛ Roxburgh، I.؛ Chan، K. (المحررون). Convection in Astrophysics, Proceedings of IAU Symposium #239 held 21-25 August, 2006 in Prague, Czech Republic. Proceedings of the International Astronomical Union. ج. 2. ص. 307–310. arXiv:astro-ph/0610180. Bibcode:2007IAUS..239..307T. DOI:10.1017/S1743921307000622.
Massarotti، Alessandro؛ وآخرون (يناير 2008)، "Rotational and Radial Velocities for a Sample of 761 HIPPARCOS Giants and the Role of Binarity"، The Astronomical Journal، ج. 135، ص. 209–231، Bibcode:2008AJ....135..209M، DOI:10.1088/0004-6256/135/1/209
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