Sami Dib, Stefan Schmeja et Richard J. Parker, «Structure and mass segregation in Galactic stellar clusters», Monthly Notices of the Royal Astronomical Society, vol.473, no1, , p.849-859 (DOI10.1093/mnras/stx2413, lire en ligne[PDF])
A. L. Tadross, «A CATALOG OF 120 NGC OPEN STAR CLUSTERS», Journal of The Korean Astronomical Society, vol.44, no1, , p.1-11 (DOI10.5303/JKAS.2011.44.1.1, lire en ligne[PDF])
Sami Dib, Stefan Schmeja et Richard J. Parker, «Structure and mass segregation in Galactic stellar clusters», Monthly Notices of the Royal Astronomical Society, vol.473, no1, , p.849-859 (DOI10.1093/mnras/stx2413, lire en ligne[PDF])
A. L. Tadross, «A CATALOG OF 120 NGC OPEN STAR CLUSTERS», Journal of The Korean Astronomical Society, vol.44, no1, , p.1-11 (DOI10.5303/JKAS.2011.44.1.1, lire en ligne[PDF])