„The Colour of Stars”, Australia Telescope, Outreach and Education, Commonwealth Scientific and Industrial Research Organisation, , arhivat din original la , accesat în
Richichi, A.; Percheron, I.; Khristoforova, M. (), „CHARM2: An updated Catalog of High Angular Resolution Measurements”, Astronomy and Astrophysics, 431: 773–777, Bibcode:2005A&A...431..773R, doi:10.1051/0004-6361:20042039
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Richichi, A.; Percheron, I.; Khristoforova, M. (), „CHARM2: An updated Catalog of High Angular Resolution Measurements”, Astronomy and Astrophysics, 431: 773–777, Bibcode:2005A&A...431..773R, doi:10.1051/0004-6361:20042039
„The Colour of Stars”, Australia Telescope, Outreach and Education, Commonwealth Scientific and Industrial Research Organisation, , arhivat din original la , accesat în