S. Mei, P. Côté, A. Jordán, E.W. Peng, J. P. Blakeslee, S. Piatek, S. Mei, D. Merritt: The ACS Virgo Cluster Survey. VI. Isophotal Analysis and the Structure of Early-Type Galaxies. In: The Astrophysical Journal Supplement Series. 164. Jahrgang, Nr.2, Juni 2006, S.334–434, doi:10.1086/501350, arxiv:astro-ph/0602297, bibcode:2006ApJS..164..334F.
S. Mei, P. Côté, A. Jordán, E.W. Peng, J. P. Blakeslee, S. Piatek, S. Mei, D. Merritt: The ACS Virgo Cluster Survey. VI. Isophotal Analysis and the Structure of Early-Type Galaxies. In: The Astrophysical Journal Supplement Series. 164. Jahrgang, Nr.2, Juni 2006, S.334–434, doi:10.1086/501350, arxiv:astro-ph/0602297, bibcode:2006ApJS..164..334F.
S. Mei, P. Côté, A. Jordán, E.W. Peng, J. P. Blakeslee, S. Piatek, S. Mei, D. Merritt: The ACS Virgo Cluster Survey. VI. Isophotal Analysis and the Structure of Early-Type Galaxies. In: The Astrophysical Journal Supplement Series. 164. Jahrgang, Nr.2, Juni 2006, S.334–434, doi:10.1086/501350, arxiv:astro-ph/0602297, bibcode:2006ApJS..164..334F.