Allende Prieto, C.; Lambert, D. L. (1999). “Fundamental parameters of nearby stars from the comparison with evolutionary calculations: masses, radii and effective temperatures”. Astronomy and Astrophysics352: 555–562. arXiv:0809.0359. Bibcode: 1999A&A...352..555A.
Massarotti, Alessandro; Latham, David W.; Stefanik, Robert P.; Fogel, Jeffrey (January 2008). “Rotational and Radial Velocities for a Sample of 761 HIPPARCOS Giants and the Role of Binarity”. The Astronomical Journal135 (1): 209–231. Bibcode: 2008AJ....135..209M. doi:10.1088/0004-6256/135/1/209.
Hatzes, Artie P.; Cochran, William D. (September 1996). “The Radial Velocity Variability of the K Giant beta Ophiuchi. II. Long-Period Variations”. Astrophysical Journal468: 391–397. Bibcode: 1996ApJ...468..391H. doi:10.1086/177699.
Allende Prieto, C.; Lambert, D. L. (1999). “Fundamental parameters of nearby stars from the comparison with evolutionary calculations: masses, radii and effective temperatures”. Astronomy and Astrophysics352: 555–562. arXiv:0809.0359. Bibcode: 1999A&A...352..555A.
Massarotti, Alessandro; Latham, David W.; Stefanik, Robert P.; Fogel, Jeffrey (January 2008). “Rotational and Radial Velocities for a Sample of 761 HIPPARCOS Giants and the Role of Binarity”. The Astronomical Journal135 (1): 209–231. Bibcode: 2008AJ....135..209M. doi:10.1088/0004-6256/135/1/209.
Hatzes, Artie P.; Cochran, William D. (September 1996). “The Radial Velocity Variability of the K Giant beta Ophiuchi. II. Long-Period Variations”. Astrophysical Journal468: 391–397. Bibcode: 1996ApJ...468..391H. doi:10.1086/177699.