Mieske, S.; Hilker, M.; Jordán, A.; Infante, L.; Kissler-Patig, M.; Rejkuba, M.; Richtler, T.; Côté, P.; et al, The nature of UCDs: Internal dynamics from an expanded sample and homogeneous database, Astronomy and Astrophysics, 2008, 487 (3): 921–935, Bibcode:2008A&A...487..921M, arXiv:0806.0374, doi:10.1051/0004-6361:200810077
Mieske, S.; Hilker, M.; Jordán, A.; Infante, L.; Kissler-Patig, M.; Rejkuba, M.; Richtler, T.; Côté, P.; et al, The nature of UCDs: Internal dynamics from an expanded sample and homogeneous database, Astronomy and Astrophysics, 2008, 487 (3): 921–935, Bibcode:2008A&A...487..921M, arXiv:0806.0374, doi:10.1051/0004-6361:200810077
Mieske, S.; Hilker, M.; Jordán, A.; Infante, L.; Kissler-Patig, M.; Rejkuba, M.; Richtler, T.; Côté, P.; et al, The nature of UCDs: Internal dynamics from an expanded sample and homogeneous database, Astronomy and Astrophysics, 2008, 487 (3): 921–935, Bibcode:2008A&A...487..921M, arXiv:0806.0374, doi:10.1051/0004-6361:200810077