Sreedhar, Yuvraj Harsha; Odell, Andrew P.; Rakos, Karl D.; Hensler, Gerhard; Zeilinger, Werner W. (1 March 2012). "AGES AND METALLICITIES OF CLUSTER GALAXIES IN A779 USING MODIFIED STRÖMGREN PHOTOMETRY". The Astrophysical Journal. 747 (1): 68. arXiv:1201.2373. Bibcode:2012ApJ...747...68H. doi:10.1088/0004-637X/747/1/68.
Sreedhar, Yuvraj Harsha; Odell, Andrew P.; Rakos, Karl D.; Hensler, Gerhard; Zeilinger, Werner W. (1 March 2012). "AGES AND METALLICITIES OF CLUSTER GALAXIES IN A779 USING MODIFIED STRÖMGREN PHOTOMETRY". The Astrophysical Journal. 747 (1): 68. arXiv:1201.2373. Bibcode:2012ApJ...747...68H. doi:10.1088/0004-637X/747/1/68.
Sreedhar, Yuvraj Harsha; Odell, Andrew P.; Rakos, Karl D.; Hensler, Gerhard; Zeilinger, Werner W. (1 March 2012). "AGES AND METALLICITIES OF CLUSTER GALAXIES IN A779 USING MODIFIED STRÖMGREN PHOTOMETRY". The Astrophysical Journal. 747 (1): 68. arXiv:1201.2373. Bibcode:2012ApJ...747...68H. doi:10.1088/0004-637X/747/1/68.