Iwamoto, Nobuyuki; Umeda, Hideyuki; Tominaga, Nozomu; Nomoto, Ken'ichi; Maeda, Keiichi (2005-07-15). “The First Chemical Enrichment in the Universe and the Formation of Hyper Metal-Poor Stars”. Science (American Association for the Advancement of Science (AAAS)) 309 (5733): 451-453. arXiv:astro-ph/0505524. Bibcode: 2005Sci...309..451I. doi:10.1126/science.1112997. ISSN0036-8075.
Frebel, Anna et al. (2008). “HE 1327-2326, an Unevolved Star with [Fe/H]<-5.0. II. New 3D-1D Corrected Abundances from a Very Large Telescope UVES Spectrum”. The Astrophysical Journal (American Astronomical Society) 684 (1): 588-602. arXiv:0805.3341. Bibcode: 2008ApJ...684..588F. doi:10.1086/590327. ISSN0004-637X.
Iwamoto, Nobuyuki; Umeda, Hideyuki; Tominaga, Nozomu; Nomoto, Ken'ichi; Maeda, Keiichi (2005-07-15). “The First Chemical Enrichment in the Universe and the Formation of Hyper Metal-Poor Stars”. Science (American Association for the Advancement of Science (AAAS)) 309 (5733): 451-453. arXiv:astro-ph/0505524. Bibcode: 2005Sci...309..451I. doi:10.1126/science.1112997. ISSN0036-8075.
Frebel, Anna et al. (2008). “HE 1327-2326, an Unevolved Star with [Fe/H]<-5.0. II. New 3D-1D Corrected Abundances from a Very Large Telescope UVES Spectrum”. The Astrophysical Journal (American Astronomical Society) 684 (1): 588-602. arXiv:0805.3341. Bibcode: 2008ApJ...684..588F. doi:10.1086/590327. ISSN0004-637X.
Iwamoto, Nobuyuki; Umeda, Hideyuki; Tominaga, Nozomu; Nomoto, Ken'ichi; Maeda, Keiichi (2005-07-15). “The First Chemical Enrichment in the Universe and the Formation of Hyper Metal-Poor Stars”. Science (American Association for the Advancement of Science (AAAS)) 309 (5733): 451-453. arXiv:astro-ph/0505524. Bibcode: 2005Sci...309..451I. doi:10.1126/science.1112997. ISSN0036-8075.
Frebel, Anna et al. (2008). “HE 1327-2326, an Unevolved Star with [Fe/H]<-5.0. II. New 3D-1D Corrected Abundances from a Very Large Telescope UVES Spectrum”. The Astrophysical Journal (American Astronomical Society) 684 (1): 588-602. arXiv:0805.3341. Bibcode: 2008ApJ...684..588F. doi:10.1086/590327. ISSN0004-637X.
Iwamoto, Nobuyuki; Umeda, Hideyuki; Tominaga, Nozomu; Nomoto, Ken'ichi; Maeda, Keiichi (2005-07-15). “The First Chemical Enrichment in the Universe and the Formation of Hyper Metal-Poor Stars”. Science (American Association for the Advancement of Science (AAAS)) 309 (5733): 451-453. arXiv:astro-ph/0505524. Bibcode: 2005Sci...309..451I. doi:10.1126/science.1112997. ISSN0036-8075.
Frebel, Anna et al. (2008). “HE 1327-2326, an Unevolved Star with [Fe/H]<-5.0. II. New 3D-1D Corrected Abundances from a Very Large Telescope UVES Spectrum”. The Astrophysical Journal (American Astronomical Society) 684 (1): 588-602. arXiv:0805.3341. Bibcode: 2008ApJ...684..588F. doi:10.1086/590327. ISSN0004-637X.