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De Sanctis, M. C.; Capria, M. T.; Coradini, A. (2001). “Thermal Evolution and Differentiation of Edgeworth–Kuiper Belt Objects”. The Astronomical Journal121 (5): 2792–2799. Bibcode: 2001AJ....121.2792D. doi:10.1086/320385. ISSN00046256.
Jílková, Lucie; Portegies Zwart, Simon; Pijloo, Tjibaria; Hammer, Michael (2015). “How Sedna and family were captured in a close encounter with a solar sibling”. Monthly Notices of the Royal Astronomical Society453 (3): 3158–3163. arXiv:1506.03105. Bibcode: 2015MNRAS.453.3157J. doi:10.1093/mnras/stv1803. ISSN0035-8711.