Ebeling, Harald; Elizabeth Barrett; David Donovan; Cheng-Jiun Ma; Alastair Edge; Leon van Speybroeck (2007). «A Complete Sample of 12 Very X-Ray Luminous Galaxy Clusters at z > 0.5». Astrophysical Journal Letters661 (661): 33. Bibcode:2007ApJ...661L..33E. arXiv:astro-ph/0703394. doi:10.1086/518603.
Ebeling, Harald; Elizabeth Barrett; David Donovan; Cheng-Jiun Ma; Alastair Edge; Leon van Speybroeck (2007). «A Complete Sample of 12 Very X-Ray Luminous Galaxy Clusters at z > 0.5». Astrophysical Journal Letters661 (661): 33. Bibcode:2007ApJ...661L..33E. arXiv:astro-ph/0703394. doi:10.1086/518603.
Ebeling, Harald; Elizabeth Barrett; David Donovan; Cheng-Jiun Ma; Alastair Edge; Leon van Speybroeck (2007). «A Complete Sample of 12 Very X-Ray Luminous Galaxy Clusters at z > 0.5». Astrophysical Journal Letters661 (661): 33. Bibcode:2007ApJ...661L..33E. arXiv:astro-ph/0703394. doi:10.1086/518603.