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Underhill, A. B.; et al. (November 1979), «Effective temperatures, angular diameters, distances and linear radii for 160 O and B stars», Monthly Notices of the Royal Astronomical Society189 (3): 601–605, Bibcode:1979MNRAS.189..601U, doi:10.1093/mnras/189.3.601
Lyubimkov, L. S.; Rostopchin, S. I.; Lambert, D. L. (June 2004), «Surface abundances of light elements for a large sample of early B-type stars - III. An analysis of helium lines in spectra of 102 stars», Monthly Notices of the Royal Astronomical Society351 (2): 745–767, Bibcode:2004MNRAS.351..745L, doi:10.1111/j.1365-2966.2004.07825.x
Abt, Helmut A.; Levato, Hugo; Grosso, Monica (July 2002), «Rotational Velocities of B Stars», The Astrophysical Journal573 (1): 359–365, Bibcode:2002ApJ...573..359A, doi:10.1086/340590.