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M. Connors, C. Veillet, R. Brasser, P. Wiegert, P. W. Chodas, S. Mikkola, K. Innanen: Horseshoe Asteroids and Quasi-satellites in Earth-like Orbits. in: 35th Lunar and Planetary Science Conference, 15.–19. März 2004. League City Texas 2004, 3., Abstract Nr. 1565 (PDF).
R. Brasser, K. A. Innanen, M. Connors, C. Veillet, P. Wiegert, Seppo Mikkola, P. W. Chodas: Transient co-orbital asteroids. in: Icarus. Elsevier, San Diego 171.2004, 9, p102–109. ISSN0019-1035 (online on the Icarus Server: doi:10.1016/j.icarus.2004.04.019)