König, B.; Guenther, E. W.; Esposito, M.; Hatzes, A. (Ocak 2006), "Spectral synthesis analysis and radial velocity study of the northern F-, G- and K-type flare stars", Monthly Notices of the Royal Astronomical Society, 365 (3), ss. 1050-1056, arXiv:astro-ph/0511232 $2, Bibcode:2006MNRAS.365.1050K, doi:10.1111/j.1365-2966.2005.09796.x
Takeda, Yoichi; Sato, Bun'ei; Murata, Daisuke (Ağustos 2008), "Stellar parameters and elemental abundances of late-G giants", Publications of the Astronomical Society of Japan, 60 (4), ss. 781-802, arXiv:0805.2434 $2, Bibcode:2008PASJ...60..781T
König, B.; Guenther, E. W.; Esposito, M.; Hatzes, A. (Ocak 2006), "Spectral synthesis analysis and radial velocity study of the northern F-, G- and K-type flare stars", Monthly Notices of the Royal Astronomical Society, 365 (3), ss. 1050-1056, arXiv:astro-ph/0511232 $2, Bibcode:2006MNRAS.365.1050K, doi:10.1111/j.1365-2966.2005.09796.x
Massarotti, Alessandro; Latham, David W.; Stefanik, Robert P.; Fogel, Jeffrey (Ocak 2008), "Rotational and Radial Velocities for a Sample of 761 HIPPARCOS Giants and the Role of Binarity", The Astronomical Journal, 135 (1), ss. 209-231, Bibcode:2008AJ....135..209M, doi:10.1088/0004-6256/135/1/209
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König, B.; Guenther, E. W.; Esposito, M.; Hatzes, A. (Ocak 2006), "Spectral synthesis analysis and radial velocity study of the northern F-, G- and K-type flare stars", Monthly Notices of the Royal Astronomical Society, 365 (3), ss. 1050-1056, arXiv:astro-ph/0511232 $2, Bibcode:2006MNRAS.365.1050K, doi:10.1111/j.1365-2966.2005.09796.x
Takeda, Yoichi; Sato, Bun'ei; Murata, Daisuke (Ağustos 2008), "Stellar parameters and elemental abundances of late-G giants", Publications of the Astronomical Society of Japan, 60 (4), ss. 781-802, arXiv:0805.2434 $2, Bibcode:2008PASJ...60..781T
Massarotti, Alessandro; Latham, David W.; Stefanik, Robert P.; Fogel, Jeffrey (Ocak 2008), "Rotational and Radial Velocities for a Sample of 761 HIPPARCOS Giants and the Role of Binarity", The Astronomical Journal, 135 (1), ss. 209-231, Bibcode:2008AJ....135..209M, doi:10.1088/0004-6256/135/1/209
Huensch, M.; Reimers, D. (Nisan 1995), "Detection of an X-ray flare on the low-activity G 8 III-type giant β Boo", Astronomy and Astrophysics, cilt 296, ss. 509-513, Bibcode:1995A&A...296..509H