Kozok, J. R. (September 1985), "Photometric observations of emission B-stars in the southern Milky Way", Astronomy and Astrophysics Supplement Series, 61: 387—405, Bibcode:1985A&AS...61..387K
Evans, D. S. (June 20-24, 1966), Batten, Alan Henry; Heard, John Frederick (eds.), "The Revision of the General Catalogue of Radial Velocities", Determination of Radial Velocities and their Applications, 30, University of Toronto: International Astronomical Union: 57, Bibcode:1967IAUS...30...57E{{citation}}: Неизвестный параметр |book-title= игнорируется (справка)Википедия:Обслуживание CS1 (формат даты) (ссылка)
Bernacca, P. L.; Perinotto, M. (1970), "A catalogue of stellar rotational velocities", Contributi Osservatorio Astronomico di Padova in Asiago, 239 (1), Bibcode:1970CoAsi.239....1B