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KING, Jeremy R.; VILLARREAL, Adam R.; SODERBLOM, David R.; GULLIVER, Austin F. Stellar Kinematic Groups. II. A Reexamination of the Membership, Activity, and Age of the Ursa Major Group. The Astronomical Journal. 2003, roč. 125, čís. 4, s. 1980–2017. Dostupné online. doi:10.1086/368241. Bibcode2003AJ....125.1980K. (anglicky)
OJA, T. UBV photometry of stars whose positions are accurately known. III. Astronomy and Astrophysics Supplement Series. 1986, roč. 65, čís. 2, s. 405–409. Dostupné online. Bibcode1986A&AS...65..405O. (anglicky)
KUNITZSCH, Paul; SMART, Tim. A Dictionary of Modern Star Names: A Short Guide to 254 Star Names and Their Derivations. 2. vyd. Cambridge, Massachusetts: Sky Publishing, 2006. Dostupné online. ISBN978-1-931559-44-7. S.56, 62. (anglicky)
KING, Jeremy R.; VILLARREAL, Adam R.; SODERBLOM, David R.; GULLIVER, Austin F. Stellar Kinematic Groups. II. A Reexamination of the Membership, Activity, and Age of the Ursa Major Group. The Astronomical Journal. 2003, roč. 125, čís. 4, s. 1980–2017. Dostupné online. doi:10.1086/368241. Bibcode2003AJ....125.1980K. (anglicky)
COWLEY, A.; COWLEY, C.; JASCHEK, M.; JASCHEK, C. A study of the bright A stars. I. A catalogue of spectral classifications. The Astronomical Journal. 1969, roč. 74, s. 375–406. doi:10.1086/110819. Bibcode1969AJ.....74..375C. (anglicky)
KING, Jeremy R.; VILLARREAL, Adam R.; SODERBLOM, David R.; GULLIVER, Austin F. Stellar Kinematic Groups. II. A Reexamination of the Membership, Activity, and Age of the Ursa Major Group. The Astronomical Journal. 2003, roč. 125, čís. 4, s. 1980–2017. Dostupné online. doi:10.1086/368241. Bibcode2003AJ....125.1980K. (anglicky)