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Herbst, W. (1976). «R associations. I - UBV photometry and MK spectroscopy of stars in southern reflection nebulae». Astronomical Journal. 80: 212–226. Bibcode:1975AJ.....80..212H. doi:10.1086/111734
de Zeeuw, P. T.; Hoogerwerf, R.; de Bruijne, J. H. J.; Brown, A. G. A.; Blaauw, A. (1999). «A HIPPARCOS Census of the Nearby OB Associations». The Astronomical Journal. 117 (1): 354–399. Bibcode:1999AJ....117..354D. arXiv:astro-ph/9809227. doi:10.1086/300682
Lyder, David A. (novembro de 2001). «The Stars in Camelopardalis OB1: Their Distance and Evolutionary History». The Astronomical Journal. 122 (5): 2634-2643. Bibcode:2001AJ....122.2634L. doi:10.1086/323705