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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. 4 June 2015, 808: 139. Bibcode:2015ApJ...808..139S. arXiv:1504.01734. doi:10.1088/0004-637x/808/2/139.
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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. 4 June 2015, 808: 139. Bibcode:2015ApJ...808..139S. arXiv:1504.01734. doi:10.1088/0004-637x/808/2/139.
Baade, W.; Minkowski, R. Identification of the Radio Sources in Cassiopeia, Cygnus a, and Puppis a. The Astrophysical Journal. 1954, 119: 206. Bibcode:1954ApJ...119..206B. doi:10.1086/145812.
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