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.653V. doi:10.1051/0004-6361:20078357.
↑ Knapp, G. R.; Sutin, B. M.; Phillips, T. G.; Ellison, B. N.; Keene, J. B.; Leighton, R. B.; Masson, C. R.; Steiger, W. et al. (1989). “CO emission from evolved stars and proto-planetary nebulae”. The Astrophysical Journal 336: 822. Bibcode: 1989ApJ...336..822K. doi:10.1086/167052.
↑ Chen, X.; Shen, Z. Q.; Xu, Y. (2007). “Measuring the Distance of VX Sagittarii with SiO Maser Proper Motions”. Chinese Journal of Astronomy and Astrophysics 7 (4): 531. doi:10.1088/1009-9271/7/4/09.
1 2 3 Nicolas Mauron; Eric Josselin (2010).