Moran, S. M.; Ellis, R. S.; Smith, G. P.; Rich, R. M.; et al. (2007). "A Wide-Field Survey of Two z ~ 0.5 Galaxy Clusters: Identifying the Physical Processes Responsible for the Observed Transformation of Spirals into S0s". The Astrophysical Journal. 671 (2): 1503–1522. arXiv:0707.4173. Bibcode:2007ApJ...671.1503M. doi:10.1086/522303. S2CID14325264.
B. Binggeli; A. Sandage; G. A. Tammann (1985). "Studies of the Virgo Cluster. II - A catalog of 2096 galaxies in the Virgo Cluster area. V - Luminosity functions of Virgo Cluster galaxies". The Astronomical Journal. 90: 1681–1759. Bibcode:1985AJ.....90.1681B. doi:10.1086/113874.
Moran, S. M.; Ellis, R. S.; Smith, G. P.; Rich, R. M.; et al. (2007). "A Wide-Field Survey of Two z ~ 0.5 Galaxy Clusters: Identifying the Physical Processes Responsible for the Observed Transformation of Spirals into S0s". The Astrophysical Journal. 671 (2): 1503–1522. arXiv:0707.4173. Bibcode:2007ApJ...671.1503M. doi:10.1086/522303. S2CID14325264.
B. Binggeli; A. Sandage; G. A. Tammann (1985). "Studies of the Virgo Cluster. II - A catalog of 2096 galaxies in the Virgo Cluster area. V - Luminosity functions of Virgo Cluster galaxies". The Astronomical Journal. 90: 1681–1759. Bibcode:1985AJ.....90.1681B. doi:10.1086/113874.
Moran, S. M.; Ellis, R. S.; Smith, G. P.; Rich, R. M.; et al. (2007). "A Wide-Field Survey of Two z ~ 0.5 Galaxy Clusters: Identifying the Physical Processes Responsible for the Observed Transformation of Spirals into S0s". The Astrophysical Journal. 671 (2): 1503–1522. arXiv:0707.4173. Bibcode:2007ApJ...671.1503M. doi:10.1086/522303. S2CID14325264.
Moran, S. M.; Ellis, R. S.; Smith, G. P.; Rich, R. M.; et al. (2007). "A Wide-Field Survey of Two z ~ 0.5 Galaxy Clusters: Identifying the Physical Processes Responsible for the Observed Transformation of Spirals into S0s". The Astrophysical Journal. 671 (2): 1503–1522. arXiv:0707.4173. Bibcode:2007ApJ...671.1503M. doi:10.1086/522303. S2CID14325264.