Sobral, David; Matthee, Jorryt; Darvish, Behnam; Schaerer, Daniel; Mobasher, Bahram; Röttgering, Huub J. A.; Santos, Sérgio; Hemmati, Shoubaneh (). „Evidence For POPIII-Like Stellar Populations In The Most Luminous LYMAN-α Emitters At The Epoch Of Re-Ionisation: Spectroscopic Confirmation”. The Astrophysical Journal. 808 (2): 139. arXiv:1504.01734. Bibcode:2015ApJ...808..139S. doi:10.1088/0004-637x/808/2/139.
Smith, Robert T. (). „The Radial Velocity of a Peculiar Nebula”. Publications of the Astronomical Society of the Pacific. 53 (313): 187. Bibcode:1941PASP...53..187S. doi:10.1086/125301.
Burbidge, E. Margaret (). „The Strange Extragalactic Systems: Mayall's Object and IC 883”. Astrophysical Journal. 140: 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 (). „Evidence For POPIII-Like Stellar Populations In The Most Luminous LYMAN-α Emitters At The Epoch Of Re-Ionisation: Spectroscopic Confirmation”. The Astrophysical Journal. 808 (2): 139. arXiv:1504.01734. Bibcode:2015ApJ...808..139S. doi:10.1088/0004-637x/808/2/139.
Smith, Robert T. (). „The Radial Velocity of a Peculiar Nebula”. Publications of the Astronomical Society of the Pacific. 53 (313): 187. Bibcode:1941PASP...53..187S. doi:10.1086/125301.
Burbidge, E. Margaret (). „The Strange Extragalactic Systems: Mayall's Object and IC 883”. Astrophysical Journal. 140: 1617. Bibcode:1964ApJ...140.1617B. doi:10.1086/148070.