Kuhn, Michael A.; Hillenbrand, Lynne A.; Sills, Alison; Feigelson, Eric D.; Getman, Konstantin V. (2018). “Kinematics in Young Star Clusters and Associations with Gaia DR2”. The Astrophysical Journal. 870 (1): 32. arXiv:1807.02115. Bibcode:2019ApJ...870...32K. doi:10.3847/1538-4357/aaef8c.
Kuhn, Michael A.; Hillenbrand, Lynne A.; Sills, Alison; Feigelson, Eric D.; Getman, Konstantin V. (2018). “Kinematics in Young Star Clusters and Associations with Gaia DR2”. The Astrophysical Journal. 870 (1): 32. arXiv:1807.02115. Bibcode:2019ApJ...870...32K. doi:10.3847/1538-4357/aaef8c.
Shylaja, B. S (1988). “Study of the Wolf-Rayet members of the cluster NGC 6231”. Journal of Astrophysics and Astronomy. 9 (3): 161–172. Bibcode:1988JApA....9..161S. doi:10.1007/BF02715061.
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Kuhn, Michael A.; Hillenbrand, Lynne A.; Sills, Alison; Feigelson, Eric D.; Getman, Konstantin V. (2018). “Kinematics in Young Star Clusters and Associations with Gaia DR2”. The Astrophysical Journal. 870 (1): 32. arXiv:1807.02115. Bibcode:2019ApJ...870...32K. doi:10.3847/1538-4357/aaef8c.
Reipurth, B. (2008). “Young Stars in NGC 6231 and the Sco OB1 Association”. Trong Reipurth, B. (biên tập). Handbook of Star Forming Regions, Volume II: The Southern Sky ASP Monograph Publications. 5. tr. 401. Bibcode:2008hsf2.book..401R. ISBN978-1-58381-670-7.
Shylaja, B. S (1988). “Study of the Wolf-Rayet members of the cluster NGC 6231”. Journal of Astrophysics and Astronomy. 9 (3): 161–172. Bibcode:1988JApA....9..161S. doi:10.1007/BF02715061.