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Royer, F.; Grenier, S.; Baylac, M.-O.; Gómez, A. E.; Zorec, J. (2002). ”Rotational velocities of A-type stars in the northern hemisphere. II. Measurement of v sin i in the northern hemisphere”. Astronomy and Astrophysics 393 (3): sid. 897–911. doi:10.1051/0004-6361:20020943. Bibcode: 2002A&A...393..897R.
