Sobral, David; Matthee, Jorryt; Darvish, Behnam; Schaerer, Daniel; Mobasher, Bahram; Röttgering, Huub J. A.; Santos, Sérgio; Hemmati, Shoubaneh (ngày 4 tháng 6 năm 2015). "Evidence For POPIII-Like Stellar Populations In The Most Luminous LYMAN-α Emitters At The Epoch Of Re-Ionisation: Spectroscopic Confirmation". The Astrophysical Journal. Quyển 808. tr. 139. arXiv:1504.01734. Bibcode:2015ApJ...808..139S. doi:10.1088/0004-637x/808/2/139.
Sobral, David; Matthee, Jorryt; Darvish, Behnam; Schaerer, Daniel; Mobasher, Bahram; Röttgering, Huub J. A.; Santos, Sérgio; Hemmati, Shoubaneh (ngày 4 tháng 6 năm 2015). "Evidence For POPIII-Like Stellar Populations In The Most Luminous LYMAN-α Emitters At The Epoch Of Re-Ionisation: Spectroscopic Confirmation". The Astrophysical Journal. Quyển 808. tr. 139. arXiv:1504.01734. Bibcode:2015ApJ...808..139S. doi:10.1088/0004-637x/808/2/139.
Smith, Robert T. (1941). "The Radial Velocity of a Peculiar Nebula". Publications of the Astronomical Society of the Pacific. Quyển 53. tr. 187. Bibcode:1941PASP...53..187S. doi:10.1086/125301.
Burbidge, E. Margaret (1964). "The Strange Extragalactic Systems: Mayall's Object and IC 883". Astrophysical Journal. Quyển 140. tr. 1617. Bibcode:1964ApJ...140.1617B. doi:10.1086/148070.
Sobral, David; Matthee, Jorryt; Darvish, Behnam; Schaerer, Daniel; Mobasher, Bahram; Röttgering, Huub J. A.; Santos, Sérgio; Hemmati, Shoubaneh (ngày 4 tháng 6 năm 2015). "Evidence For POPIII-Like Stellar Populations In The Most Luminous LYMAN-α Emitters At The Epoch Of Re-Ionisation: Spectroscopic Confirmation". The Astrophysical Journal. Quyển 808. tr. 139. arXiv:1504.01734. Bibcode:2015ApJ...808..139S. doi:10.1088/0004-637x/808/2/139.
Smith, Robert T. (1941). "The Radial Velocity of a Peculiar Nebula". Publications of the Astronomical Society of the Pacific. Quyển 53. tr. 187. Bibcode:1941PASP...53..187S. doi:10.1086/125301.
Burbidge, E. Margaret (1964). "The Strange Extragalactic Systems: Mayall's Object and IC 883". Astrophysical Journal. Quyển 140. tr. 1617. Bibcode:1964ApJ...140.1617B. doi:10.1086/148070.