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C. A. Trujillo, M. E. Brown, Barkume K., Shaller E., D. L. Rabinowitz. The Surface of 2003 EL61 in the Near Infrared. Per a publicar a The Astronomical Journal (2006);
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M. E. Brown, A. H. Bouchez, D. L. Rabinowitz, R. Sari, C. A. Trujillo, M. A. van Dam, R. Campbell, J. Chin, S. Hartman, E. Johansson, R. Lafon, D. LeMignant, P. Stomski, D. Summers, P. L. Wizinowich Keck Observatory laser guide star adaptive optics discovery and characterization of a satellite to large Kuiper belt object 2003 EL61, The Astrophysical Journal Letters, 632, L45 (October 2005) Article enllaçat des del Caltech (pdf)
