W. J. Luyten: LHS 1027, LHS Catalogue, 2nd Edition (1979)
iop.org
iopscience.iop.org
X. Che, J. D. Monnier, M. Zhao, E. Pedretti, N. Thureau, A. Mérand, T. ten Brummelaar, H. McAlister, S. T. Ridgway, N. Turner, J. Sturmann & L. Sturmann: Colder and Hotter: Interferometric Imaging of β Cassiopeiae and α Leonis, The Astrophysical Journal, Vol. 732, Iss. 2, article id. 68, p. 5 (2011)