Moran, Sean M. «The Dynamical Distinction Between Elliptical and Lenticular Galaxies in Distant Clusters: Further Evidence for the Recent Origin of S0 Galaxies». The Astrophysical Journal, vol. 665, 2, 20-08-2007, pàg. 1067–1073. arXiv: astro-ph/0701114. Bibcode: 2007ApJ...665.1067M. DOI: 10.1086/519550.
Moran, Sean M. «The Dynamical Distinction Between Elliptical and Lenticular Galaxies in Distant Clusters: Further Evidence for the Recent Origin of S0 Galaxies». The Astrophysical Journal, vol. 665, 2, 20-08-2007, pàg. 1067–1073. arXiv: astro-ph/0701114. Bibcode: 2007ApJ...665.1067M. DOI: 10.1086/519550.
Moran, Sean M. «The Dynamical Distinction Between Elliptical and Lenticular Galaxies in Distant Clusters: Further Evidence for the Recent Origin of S0 Galaxies». The Astrophysical Journal, vol. 665, 2, 20-08-2007, pàg. 1067–1073. arXiv: astro-ph/0701114. Bibcode: 2007ApJ...665.1067M. DOI: 10.1086/519550.