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Humphrey, Philip J.; Buote, David A.; Canizares, Claude R.; Fabian, Andrew C.; Miller, Jon M. (1 March 2011). "A Census of Baryons and Dark Matter in an Isolated, Milky Way Sized Elliptical Galaxy". The Astrophysical Journal. 729 (1): 53. arXiv:1010.6078. Bibcode:2011ApJ...729...53H. doi:10.1088/0004-637X/729/1/53. S2CID11550337.
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Buote, David A.; Jeltema, Tesla E.; Canizares, Claude R.; Garmire, Gordon P. (20 September 2002). "Chandra Evidence of a Flattened, Triaxial Dark Matter Halo in the Elliptical Galaxy NGC 720". The Astrophysical Journal. 577 (1): 183–196. arXiv:astro-ph/0205469. Bibcode:2002ApJ...577..183B. doi:10.1086/342158. S2CID18833087.
Humphrey, Philip J.; Buote, David A.; Canizares, Claude R.; Fabian, Andrew C.; Miller, Jon M. (1 March 2011). "A Census of Baryons and Dark Matter in an Isolated, Milky Way Sized Elliptical Galaxy". The Astrophysical Journal. 729 (1): 53. arXiv:1010.6078. Bibcode:2011ApJ...729...53H. doi:10.1088/0004-637X/729/1/53. S2CID11550337.
Lauer, T. R.; Ajhar, E. A.; Byun, Y.-I.; Dressler, A.; Faber, S. M.; Grillmair, C.; Kormendy, J.; Richstone, D.; Tremaine, S. (December 1995). "The Centers of Early-Type Galaxies with HST.I.An Observational Survey". The Astronomical Journal. 110: 2622. Bibcode:1995AJ....110.2622L. doi:10.1086/117719.
Buote, David A.; Jeltema, Tesla E.; Canizares, Claude R.; Garmire, Gordon P. (20 September 2002). "Chandra Evidence of a Flattened, Triaxial Dark Matter Halo in the Elliptical Galaxy NGC 720". The Astrophysical Journal. 577 (1): 183–196. arXiv:astro-ph/0205469. Bibcode:2002ApJ...577..183B. doi:10.1086/342158. S2CID18833087.
Humphrey, Philip J.; Buote, David A.; Canizares, Claude R.; Fabian, Andrew C.; Miller, Jon M. (1 March 2011). "A Census of Baryons and Dark Matter in an Isolated, Milky Way Sized Elliptical Galaxy". The Astrophysical Journal. 729 (1): 53. arXiv:1010.6078. Bibcode:2011ApJ...729...53H. doi:10.1088/0004-637X/729/1/53. S2CID11550337.
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Buote, David A.; Jeltema, Tesla E.; Canizares, Claude R.; Garmire, Gordon P. (20 September 2002). "Chandra Evidence of a Flattened, Triaxial Dark Matter Halo in the Elliptical Galaxy NGC 720". The Astrophysical Journal. 577 (1): 183–196. arXiv:astro-ph/0205469. Bibcode:2002ApJ...577..183B. doi:10.1086/342158. S2CID18833087.
Humphrey, Philip J.; Buote, David A.; Canizares, Claude R.; Fabian, Andrew C.; Miller, Jon M. (1 March 2011). "A Census of Baryons and Dark Matter in an Isolated, Milky Way Sized Elliptical Galaxy". The Astrophysical Journal. 729 (1): 53. arXiv:1010.6078. Bibcode:2011ApJ...729...53H. doi:10.1088/0004-637X/729/1/53. S2CID11550337.