Cowley, A.; et al. (April 1969), "A study of the bright A stars. I. A catalogue of spectral classifications", Astronomical Journal, 74: 375–406, Bibcode:1969AJ.....74..375C, doi:10.1086/110819.
Cowley, A.; et al. (April 1969), "A study of the bright A stars. I. A catalogue of spectral classifications", Astronomical Journal, 74: 375–406, Bibcode:1969AJ.....74..375C, doi:10.1086/110819.
Hilaire, G. (March 1974), "Observations d'occultations d'etoiles par la lune", Astronomy and Astrophysics Supplement (in French), 13: 395, Bibcode:1974A&AS...13..395H. See SAO 80113 on p. 396.