Lykawka, Patryk Sofia & Mukai, Tadashi«Dynamical classification of trans-neptunian objects: Probing their origin, evolution, and interrelation».Icarus,189,1,7-2007,p.213–232. Bibcode: 2007Icar..189..213L. DOI: 10.1016/j.icarus.2007.01.001.
Lykawka, Patryk Sofia & Mukai, Tadashi«Dynamical classification of trans-neptunian objects: Probing their origin, evolution, and interrelation».Icarus,189,1,7-2007,p.213–232. Bibcode: 2007Icar..189..213L. DOI: 10.1016/j.icarus.2007.01.001.