Getman, Konstantin V.; Feigelson, Eric D.; Townsley, Leisa; Broos, Patrick; Garmire, Gordon; Tsujimoto, Masahiro (2006). "ChandraStudy of the Cepheus B Star‐forming Region: Stellar Populations and the Initial Mass Function". The Astrophysical Journal Supplement Series. Quyển 163 số 2. tr. 306–334. arXiv:astro-ph/0601405. Bibcode:2006ApJS..163..306G. doi:10.1086/501453. ISSN0067-0049.
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Getman, Konstantin V.; Feigelson, Eric D.; Townsley, Leisa; Broos, Patrick; Garmire, Gordon; Tsujimoto, Masahiro (2006). "ChandraStudy of the Cepheus B Star‐forming Region: Stellar Populations and the Initial Mass Function". The Astrophysical Journal Supplement Series. Quyển 163 số 2. tr. 306–334. arXiv:astro-ph/0601405. Bibcode:2006ApJS..163..306G. doi:10.1086/501453. ISSN0067-0049.
Crawford, D. L.; Barnes, J. V. (1970). "Four-color and H-beta photometry of open clusters - VI - the association III Cep". The Astronomical Journal. Quyển 75. tr. 952. Bibcode:1970AJ.....75..952C. doi:10.1086/111045. ISSN0004-6256.
Getman, Konstantin V.; Feigelson, Eric D.; Townsley, Leisa; Broos, Patrick; Garmire, Gordon; Tsujimoto, Masahiro (2006). "ChandraStudy of the Cepheus B Star‐forming Region: Stellar Populations and the Initial Mass Function". The Astrophysical Journal Supplement Series. Quyển 163 số 2. tr. 306–334. arXiv:astro-ph/0601405. Bibcode:2006ApJS..163..306G. doi:10.1086/501453. ISSN0067-0049.
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Crawford, D. L.; Barnes, J. V. (1970). "Four-color and H-beta photometry of open clusters - VI - the association III Cep". The Astronomical Journal. Quyển 75. tr. 952. Bibcode:1970AJ.....75..952C. doi:10.1086/111045. ISSN0004-6256.
Getman, Konstantin V.; Feigelson, Eric D.; Townsley, Leisa; Broos, Patrick; Garmire, Gordon; Tsujimoto, Masahiro (2006). "ChandraStudy of the Cepheus B Star‐forming Region: Stellar Populations and the Initial Mass Function". The Astrophysical Journal Supplement Series. Quyển 163 số 2. tr. 306–334. arXiv:astro-ph/0601405. Bibcode:2006ApJS..163..306G. doi:10.1086/501453. ISSN0067-0049.