Crowther, Paul A.; Pasquali, A.; De Marco, Orsola; Schmutz, W.; Hillier, D. J.; De Koter, A. (1999). "Wolf–Rayet nebulae as tracers of stellar ionizing fluxes. I. M1-67". Astronomy and Astrophysics. 350: 1007. arXiv:astro-ph/9908200. Bibcode:1999A&A...350.1007C.
Crepp, Justin R.; Johnson, John Asher; Fischer, Debra A.; Howard, Andrew W.; Marcy, Geoffrey W.; Wright, Jason T.; Isaacson, Howard; Boyajian, Tabetha; von Braun, Kaspar; Hillenbrand, Lynne A.; Hinkley, Sasha; Carpenter, John M.; Brewer, John M. (2012). "The Dynamical Mass and Three-Dimensional Orbit of HR7672B: A Benchmark Brown Dwarf with High Eccentricity". The Astrophysical Journal. 751 (2): 14. arXiv:1112.1725. Bibcode:2012ApJ...751...97C. doi:10.1088/0004-637X/751/2/97. S2CID16113054. 97.
Christy, James W.; Walker, R. L. Jr. (October 1969), "MK Classification of 142 Visual Binaries", Publications of the Astronomical Society of the Pacific, 81 (482): 643, Bibcode:1969PASP...81..643C, doi:10.1086/128831.
Cowley, A.; et al. (April 1969), "A study of the bright A stars. I. A catalogue of spectral classifications", Astronomical Journal, 74: 375–406, Bibcode:1969AJ.....74..375C, doi:10.1086/110819.
Crepp, Justin R.; Johnson, John Asher; Fischer, Debra A.; Howard, Andrew W.; Marcy, Geoffrey W.; Wright, Jason T.; Isaacson, Howard; Boyajian, Tabetha; von Braun, Kaspar; Hillenbrand, Lynne A.; Hinkley, Sasha; Carpenter, John M.; Brewer, John M. (2012). "The Dynamical Mass and Three-Dimensional Orbit of HR7672B: A Benchmark Brown Dwarf with High Eccentricity". The Astrophysical Journal. 751 (2): 14. arXiv:1112.1725. Bibcode:2012ApJ...751...97C. doi:10.1088/0004-637X/751/2/97. S2CID16113054. 97.
Christy, James W.; Walker, R. L. Jr. (October 1969), "MK Classification of 142 Visual Binaries", Publications of the Astronomical Society of the Pacific, 81 (482): 643, Bibcode:1969PASP...81..643C, doi:10.1086/128831.
Cowley, A.; et al. (April 1969), "A study of the bright A stars. I. A catalogue of spectral classifications", Astronomical Journal, 74: 375–406, Bibcode:1969AJ.....74..375C, doi:10.1086/110819.
Crowther, Paul A.; Pasquali, A.; De Marco, Orsola; Schmutz, W.; Hillier, D. J.; De Koter, A. (1999). "Wolf–Rayet nebulae as tracers of stellar ionizing fluxes. I. M1-67". Astronomy and Astrophysics. 350: 1007. arXiv:astro-ph/9908200. Bibcode:1999A&A...350.1007C.
Crepp, Justin R.; Johnson, John Asher; Fischer, Debra A.; Howard, Andrew W.; Marcy, Geoffrey W.; Wright, Jason T.; Isaacson, Howard; Boyajian, Tabetha; von Braun, Kaspar; Hillenbrand, Lynne A.; Hinkley, Sasha; Carpenter, John M.; Brewer, John M. (2012). "The Dynamical Mass and Three-Dimensional Orbit of HR7672B: A Benchmark Brown Dwarf with High Eccentricity". The Astrophysical Journal. 751 (2): 14. arXiv:1112.1725. Bibcode:2012ApJ...751...97C. doi:10.1088/0004-637X/751/2/97. S2CID16113054. 97.
Weaver, Donna; Villard, Ray (11 August 2011). "Hubble Offers a Dazzling 'Necklace'" (Press release). NASA. Space Telescope Science Institute. Retrieved 20 October 2020.
Crepp, Justin R.; Johnson, John Asher; Fischer, Debra A.; Howard, Andrew W.; Marcy, Geoffrey W.; Wright, Jason T.; Isaacson, Howard; Boyajian, Tabetha; von Braun, Kaspar; Hillenbrand, Lynne A.; Hinkley, Sasha; Carpenter, John M.; Brewer, John M. (2012). "The Dynamical Mass and Three-Dimensional Orbit of HR7672B: A Benchmark Brown Dwarf with High Eccentricity". The Astrophysical Journal. 751 (2): 14. arXiv:1112.1725. Bibcode:2012ApJ...751...97C. doi:10.1088/0004-637X/751/2/97. S2CID16113054. 97.
theoi.com
Hyginus. "Astronomica". Theoi Project. Translated by Mary Grant. Retrieved 31 January 2020.
Kunitzsch, Paul (2002). "Albumasariana"(PDF). Annali dell'Università degli studi di Napoli "L'Orientale". 62. Rivista del Dipartimento di Studi Asiatici e del Dipartimento di Studi e Ricerche su Africa e Paesi Arabi: 4. ISSN0393-3180.
Kunitzsch, Paul (2002). "Albumasariana"(PDF). Annali dell'Università degli studi di Napoli "L'Orientale". 62. Rivista del Dipartimento di Studi Asiatici e del Dipartimento di Studi e Ricerche su Africa e Paesi Arabi: 4. ISSN0393-3180.
Bagnall, Philip M. (2012). The Star Atlas Companion: What You Need to Know about the Constellations. New York: Springer. pp. 386–389. ISBN978-1-4614-0830-7. OCLC794225463.