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Jones, C. E.; Tycner, C.; Sigut, T. A. A.; Benson, J. A.; Hutter, D. J. (2008). "A Parameter Study of Classical Be Star Disk Models Constrained by Optical Interferometry". The Astrophysical Journal. 687 (1): 598–607. arXiv:0807.1515. Bibcode:2008ApJ...687..598J. doi:10.1086/591726. S2CID21247164.
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Jones, C. E.; Tycner, C.; Sigut, T. A. A.; Benson, J. A.; Hutter, D. J. (2008). "A Parameter Study of Classical Be Star Disk Models Constrained by Optical Interferometry". The Astrophysical Journal. 687 (1): 598–607. arXiv:0807.1515. Bibcode:2008ApJ...687..598J. doi:10.1086/591726. S2CID21247164.
Crawford, D. L.; Barnes, J. V.; Golson, J. C. (1971). "Four-color, Hbeta, and UBV photometry for bright B-type stars in the northern hemisphere". The Astronomical Journal. 76: 1058. Bibcode:1971AJ.....76.1058C. doi:10.1086/111220.
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Jones, C. E.; Tycner, C.; Sigut, T. A. A.; Benson, J. A.; Hutter, D. J. (2008). "A Parameter Study of Classical Be Star Disk Models Constrained by Optical Interferometry". The Astrophysical Journal. 687 (1): 598–607. arXiv:0807.1515. Bibcode:2008ApJ...687..598J. doi:10.1086/591726. S2CID21247164.