Harold F. Levison؛ Alessandro Morbidelli؛ Christa Van Laerhoven؛ وآخرون (2007). "Origin of the Structure of the Kuiper Belt during a Dynamical Instability in the Orbits of Uranus and Neptune". Icarus. ج. 196 ع. 1: 258. arXiv:0712.0553. Bibcode:2008Icar..196..258L. DOI:10.1016/j.icarus.2007.11.035.
R. Gomes؛ H. F. Levison؛ K. Tsiganis؛ A. Morbidelli (2005). "Origin of the cataclysmic Late Heavy Bombardment period of the terrestrial planets". Nature. ج. 435 ع. 7041: 466–9. Bibcode:2005Natur.435..466G. DOI:10.1038/nature03676. PMID:15917802.
Harold F. Levison؛ Alessandro Morbidelli؛ Christa Van Laerhoven؛ وآخرون (2007). "Origin of the Structure of the Kuiper Belt during a Dynamical Instability in the Orbits of Uranus and Neptune". Icarus. ج. 196 ع. 1: 258. arXiv:0712.0553. Bibcode:2008Icar..196..258L. DOI:10.1016/j.icarus.2007.11.035.
R. Gomes؛ H. F. Levison؛ K. Tsiganis؛ A. Morbidelli (2005). "Origin of the cataclysmic Late Heavy Bombardment period of the terrestrial planets". Nature. ج. 435 ع. 7041: 466–9. Bibcode:2005Natur.435..466G. DOI:10.1038/nature03676. PMID:15917802.
Harold F. Levison؛ Alessandro Morbidelli؛ Christa Van Laerhoven؛ وآخرون (2007). "Origin of the Structure of the Kuiper Belt during a Dynamical Instability in the Orbits of Uranus and Neptune". Icarus. ج. 196 ع. 1: 258. arXiv:0712.0553. Bibcode:2008Icar..196..258L. DOI:10.1016/j.icarus.2007.11.035.
R. Gomes؛ H. F. Levison؛ K. Tsiganis؛ A. Morbidelli (2005). "Origin of the cataclysmic Late Heavy Bombardment period of the terrestrial planets". Nature. ج. 435 ع. 7041: 466–9. Bibcode:2005Natur.435..466G. DOI:10.1038/nature03676. PMID:15917802.