J. L. Tonry؛ A. Dressler؛ J. P. Blakeslee؛ E. A. Ajhar؛ وآخرون (2001). "The SBF Survey of Galaxy Distances. IV. SBF Magnitudes, Colors, and Distances". Astrophysical Journal. ج. 546 ع. 2: 681–693. arXiv:astro-ph/0011223. Bibcode:2001ApJ...546..681T. DOI:10.1086/318301.
J. L. Tonry؛ A. Dressler؛ J. P. Blakeslee؛ E. A. Ajhar؛ وآخرون (2001). "The SBF Survey of Galaxy Distances. IV. SBF Magnitudes, Colors, and Distances". Astrophysical Journal. ج. 546 ع. 2: 681–693. arXiv:astro-ph/0011223. Bibcode:2001ApJ...546..681T. DOI:10.1086/318301.
J. L. Tonry؛ A. Dressler؛ J. P. Blakeslee؛ E. A. Ajhar؛ وآخرون (2001). "The SBF Survey of Galaxy Distances. IV. SBF Magnitudes, Colors, and Distances". Astrophysical Journal. ج. 546 ع. 2: 681–693. arXiv:astro-ph/0011223. Bibcode:2001ApJ...546..681T. DOI:10.1086/318301.