Simon, Joshua D.; Geha, Marla (2007). «The Kinematics of the Ultra-faint Milky Way Satellites: Solving the Missing Satellite Problem». The Astrophysical Journal. 670 (1): 313–331. Bibcode:2007ApJ...670..313S. arXiv:0706.0516. doi:10.1086/521816
Simon, Joshua D.; Geha, Marla (2007). «The Kinematics of the Ultra-faint Milky Way Satellites: Solving the Missing Satellite Problem». The Astrophysical Journal. 670 (1): 313–331. Bibcode:2007ApJ...670..313S. arXiv:0706.0516. doi:10.1086/521816
Simon, Joshua D.; Geha, Marla (2007). «The Kinematics of the Ultra-faint Milky Way Satellites: Solving the Missing Satellite Problem». The Astrophysical Journal. 670 (1): 313–331. Bibcode:2007ApJ...670..313S. arXiv:0706.0516. doi:10.1086/521816