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Monthly Notices of the Royal Astronomical Society, "Intracluster light and the extended stellar envelopes of cD galaxies: an analytical description", Marc S. Seigar, Alister W. Graham, Helmut Jerjen, July 2007, Volume 378, Issue 4, pp. 1575-1588, doi10.1111/j.1365-2966.2007.11899.x, Bibcode: 2007MNRAS.378.1575S
, arΧiv:astro-ph/0612229v2 (accessed 15 April 2010)
PDF, "'Tuning Fork' Classification of Rich Clusters of Galaxies", Herbert J.Rood, Gummuluru N. Sastry, June 1971, doi10.1086/129128, Bibcode: 1971PASP...83..313R
(accessed 14 April 2010)
Monthly Notices of the Royal Astronomical Society, "Intracluster light and the extended stellar envelopes of cD galaxies: an analytical description", Marc S. Seigar, Alister W. Graham, Helmut Jerjen, July 2007, Volume 378, Issue 4, pp. 1575-1588, doi10.1111/j.1365-2966.2007.11899.x, Bibcode: 2007MNRAS.378.1575S
, arΧiv:astro-ph/0612229v2 (accessed 15 April 2010)
PDF, "'Tuning Fork' Classification of Rich Clusters of Galaxies", Herbert J.Rood, Gummuluru N. Sastry, June 1971, doi10.1086/129128, Bibcode: 1971PASP...83..313R
(accessed 14 April 2010)
articles.adsabs.harvard.edu
PDF, "'Tuning Fork' Classification of Rich Clusters of Galaxies", Herbert J.Rood, Gummuluru N. Sastry, June 1971, doi10.1086/129128, Bibcode: 1971PASP...83..313R
(accessed 14 April 2010)