Samus, N. N.; Durlevich, O. V.; et al. (2009). "VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+ 2007-2013)". VizieR On-line Data Catalog: B/GCVS. Originally Published in: 2009yCat....102025S. 1. Bibcode:2009yCat....102025S.
Johnson, H. L.; et al. (1966), "UBVRIJKL photometry of the bright stars", Communications of the Lunar and Planetary Laboratory, 4 (99): 99, Bibcode:1966CoLPL...4...99J
Bozic, H.; Muminovic, M.; Pavlovski, K.; Stupar, M.; Harmanec, P.; Horn, J.; Koubsky, P. (1982). "No Rapid Variability Observed for the Be Stars HD 58050 and β CMi". Information Bulletin on Variable Stars. 2123: 1. Bibcode:1982IBVS.2123....1B.