Vladimir Il'in; George A. Gontcharov; Maxim Yu Khovritchev; Aleksandr V. Mosenkov; Alexander A. Marchuk; Sergey S. Savchenko; Anton A. Smirnov; Pavel A. Usachev; Denis M. Poliakov (). „Isochrone fitting of Galactic globular clusters – III. NGC 288, NGC 362, and NGC 6218 (M12)”. Monthly Notices of the Royal Astronomical Society (în engleză). 508 (2): 2688–2705. arXiv:2109.13115. Bibcode:2021MNRAS.508.2688G. doi:10.1093/MNRAS/STAB2756. WikidataQ113000911.
Sangmo Sohn; Ricardo P. Schiavon; Emanuele Dalessandro; Francesco R. Ferraro; Robert T. Rood; Barbara Lanzoni; Robert W. O’Connell (). „Ultraviolet properties of Galactic globular clusters with GALEX. II. Integrated colors”. Astronomical Journal (în engleză). 144 (5): 126. arXiv:1208.5698. Bibcode:2012AJ....144..126D. doi:10.1088/0004-6256/144/5/126. WikidataQ56882086.
Vladimir Il'in; George A. Gontcharov; Maxim Yu Khovritchev; Aleksandr V. Mosenkov; Alexander A. Marchuk; Sergey S. Savchenko; Anton A. Smirnov; Pavel A. Usachev; Denis M. Poliakov (). „Isochrone fitting of Galactic globular clusters – III. NGC 288, NGC 362, and NGC 6218 (M12)”. Monthly Notices of the Royal Astronomical Society (în engleză). 508 (2): 2688–2705. arXiv:2109.13115. Bibcode:2021MNRAS.508.2688G. doi:10.1093/MNRAS/STAB2756. WikidataQ113000911.
Sangmo Sohn; Ricardo P. Schiavon; Emanuele Dalessandro; Francesco R. Ferraro; Robert T. Rood; Barbara Lanzoni; Robert W. O’Connell (). „Ultraviolet properties of Galactic globular clusters with GALEX. II. Integrated colors”. Astronomical Journal (în engleză). 144 (5): 126. arXiv:1208.5698. Bibcode:2012AJ....144..126D. doi:10.1088/0004-6256/144/5/126. WikidataQ56882086.
Vladimir Il'in; George A. Gontcharov; Maxim Yu Khovritchev; Aleksandr V. Mosenkov; Alexander A. Marchuk; Sergey S. Savchenko; Anton A. Smirnov; Pavel A. Usachev; Denis M. Poliakov (). „Isochrone fitting of Galactic globular clusters – III. NGC 288, NGC 362, and NGC 6218 (M12)”. Monthly Notices of the Royal Astronomical Society (în engleză). 508 (2): 2688–2705. arXiv:2109.13115. Bibcode:2021MNRAS.508.2688G. doi:10.1093/MNRAS/STAB2756. WikidataQ113000911.
Sangmo Sohn; Ricardo P. Schiavon; Emanuele Dalessandro; Francesco R. Ferraro; Robert T. Rood; Barbara Lanzoni; Robert W. O’Connell (). „Ultraviolet properties of Galactic globular clusters with GALEX. II. Integrated colors”. Astronomical Journal (în engleză). 144 (5): 126. arXiv:1208.5698. Bibcode:2012AJ....144..126D. doi:10.1088/0004-6256/144/5/126. WikidataQ56882086.
Vladimir Il'in; George A. Gontcharov; Maxim Yu Khovritchev; Aleksandr V. Mosenkov; Alexander A. Marchuk; Sergey S. Savchenko; Anton A. Smirnov; Pavel A. Usachev; Denis M. Poliakov (). „Isochrone fitting of Galactic globular clusters – III. NGC 288, NGC 362, and NGC 6218 (M12)”. Monthly Notices of the Royal Astronomical Society (în engleză). 508 (2): 2688–2705. arXiv:2109.13115. Bibcode:2021MNRAS.508.2688G. doi:10.1093/MNRAS/STAB2756. WikidataQ113000911.
Sangmo Sohn; Ricardo P. Schiavon; Emanuele Dalessandro; Francesco R. Ferraro; Robert T. Rood; Barbara Lanzoni; Robert W. O’Connell (). „Ultraviolet properties of Galactic globular clusters with GALEX. II. Integrated colors”. Astronomical Journal (în engleză). 144 (5): 126. arXiv:1208.5698. Bibcode:2012AJ....144..126D. doi:10.1088/0004-6256/144/5/126. WikidataQ56882086.