Tamura, N.; Sharples, R. M.; Arimoto, N.; dll. (2006). "A Subaru/Suprime-Cam wide-field survey of globular cluster populations around M87 – I. Observation, data analysis and luminosity function". Monthly Notices of the Royal Astronomical Society. 373 (2): 588–600. arXiv:astro-ph/0609067. Bibcode:2006MNRAS.373..588T. doi:10.1111/j.1365-2966.2006.11067.x.
Baade, W.; Minkowski, R. (January 1954). "On the Identification of Radio Sources". The Astrophysical Journal. 119: 215–231. Bibcode:1954ApJ...119..215B. doi:10.1086/145813.
Binggeli, B.; Tammann, G. A.; Sandage, A. (August 1987). "Studies of the Virgo cluster. VI – Morphological and kinematical structure of the Virgo cluster". The Astronomical Journal. 94: 251–277. Bibcode:1987AJ.....94..251B. doi:10.1086/114467.
Tamura, N.; Sharples, R. M.; Arimoto, N.; dll. (2006). "A Subaru/Suprime-Cam wide-field survey of globular cluster populations around M87 – I. Observation, data analysis and luminosity function". Monthly Notices of the Royal Astronomical Society. 373 (2): 588–600. arXiv:astro-ph/0609067. Bibcode:2006MNRAS.373..588T. doi:10.1111/j.1365-2966.2006.11067.x.
Akiyama, Kazunori; Lu, Ru-Sen; Fish, Vincent L; dll. (July 2015). "230 GHz VLBI Observations of M87: Event-horizon-scale Structure during an Enhanced Very-high-energy γ-Ray State in 2012". The Astrophysical Journal. 807 (2): 1–11. Bibcode:2015ApJ...807..150A. doi:10.1088/0004-637X/807/2/150.
Baade, W.; Minkowski, R. (January 1954). "On the Identification of Radio Sources". The Astrophysical Journal. 119: 215–231. Bibcode:1954ApJ...119..215B. doi:10.1086/145813.
Binggeli, B.; Tammann, G. A.; Sandage, A. (August 1987). "Studies of the Virgo cluster. VI – Morphological and kinematical structure of the Virgo cluster". The Astronomical Journal. 94: 251–277. Bibcode:1987AJ.....94..251B. doi:10.1086/114467.
Tamura, N.; Sharples, R. M.; Arimoto, N.; dll. (2006). "A Subaru/Suprime-Cam wide-field survey of globular cluster populations around M87 – I. Observation, data analysis and luminosity function". Monthly Notices of the Royal Astronomical Society. 373 (2): 588–600. arXiv:astro-ph/0609067. Bibcode:2006MNRAS.373..588T. doi:10.1111/j.1365-2966.2006.11067.x.
Akiyama, Kazunori; Lu, Ru-Sen; Fish, Vincent L; dll. (July 2015). "230 GHz VLBI Observations of M87: Event-horizon-scale Structure during an Enhanced Very-high-energy γ-Ray State in 2012". The Astrophysical Journal. 807 (2): 1–11. Bibcode:2015ApJ...807..150A. doi:10.1088/0004-637X/807/2/150.