Elmegreen, Bruce G. The nature and nurture of star clusters. Star clusters: basic galactic building blocks throughout time and space, Proceedings of the International Astronomical Union, IAU Symposium 266: 3–13. January 2010. Bibcode:2010IAUS..266....3E. arXiv:0910.4638. doi:10.1017/S1743921309990809.
Elmegreen, Bruce G. The nature and nurture of star clusters. Star clusters: basic galactic building blocks throughout time and space, Proceedings of the International Astronomical Union, IAU Symposium 266: 3–13. January 2010. Bibcode:2010IAUS..266....3E. arXiv:0910.4638. doi:10.1017/S1743921309990809.
harvard.edu
ui.adsabs.harvard.edu
Elmegreen, Bruce G. The nature and nurture of star clusters. Star clusters: basic galactic building blocks throughout time and space, Proceedings of the International Astronomical Union, IAU Symposium 266: 3–13. January 2010. Bibcode:2010IAUS..266....3E. arXiv:0910.4638. doi:10.1017/S1743921309990809.
iau.org
Task Group on Astronomical Designations from IAU Commission 5. Naming Astronomical Objects. International Astronomical Union (IAU). April 2008 [4 July 2010]. (原始内容存档于2 August 2010).
web.archive.org
Task Group on Astronomical Designations from IAU Commission 5. Naming Astronomical Objects. International Astronomical Union (IAU). April 2008 [4 July 2010]. (原始内容存档于2 August 2010).