de la Fuente Marcos, C.; de la Fuente Marcos, R. (September 2014). “Extreme trans-Neptunian objects and the Kozai mechanism: signalling the presence of trans-Plutonian planets”. Monthly Notices of the Royal Astronomical Society: Letters443 (1): L59–L63. arXiv:1406.0715. Bibcode: 2014MNRAS.443L..59D. doi:10.1093/mnrasl/slu084.
Tegler, S. C.; Romanishin, W.; Consolmagno, G. J.; J., S. (December 2016). “Two Color Populations of Kuiper Belt and Centaur Objects and the Smaller Orbital Inclinations of Red Centaur Objects”. The Astronomical Journal152 (6): 13. Bibcode: 2016AJ....152..210T. doi:10.3847/0004-6256/152/6/210.
de la Fuente Marcos, C.; de la Fuente Marcos, R. (September 2014). “Extreme trans-Neptunian objects and the Kozai mechanism: signalling the presence of trans-Plutonian planets”. Monthly Notices of the Royal Astronomical Society: Letters443 (1): L59–L63. arXiv:1406.0715. Bibcode: 2014MNRAS.443L..59D. doi:10.1093/mnrasl/slu084.
Tegler, S. C.; Romanishin, W.; Consolmagno, G. J.; J., S. (December 2016). “Two Color Populations of Kuiper Belt and Centaur Objects and the Smaller Orbital Inclinations of Red Centaur Objects”. The Astronomical Journal152 (6): 13. Bibcode: 2016AJ....152..210T. doi:10.3847/0004-6256/152/6/210.
de la Fuente Marcos, C.; de la Fuente Marcos, R. (September 2014). “Extreme trans-Neptunian objects and the Kozai mechanism: signalling the presence of trans-Plutonian planets”. Monthly Notices of the Royal Astronomical Society: Letters443 (1): L59–L63. arXiv:1406.0715. Bibcode: 2014MNRAS.443L..59D. doi:10.1093/mnrasl/slu084.