T.C. Scott, M. Aubert-Frécon e J. Grotendorst (2006). "New Approach for the Electronic Energies of the Hydrogen Molecular Ion", Chem. Phys.324: 323-338, [1]; Arxiv article [2]
Walter J. Wild, The Smithsonian/NASA Astrophysics Data System, Euler's three-body problem, publicado em American Journal of Physics, Volume 48, Issue 4, pp. 297-301 (1980), disponível no siteDigital Library for Physics and Astronomy, da High Energy Astrophysics Division do Harvard-Smithsonian Center for Astrophysics da Universidade de Harvard[em linha]
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T.C. Scott, M. Aubert-Frécon e J. Grotendorst (2006). "New Approach for the Electronic Energies of the Hydrogen Molecular Ion", Chem. Phys.324: 323-338, [1]; Arxiv article [2]