D. L. Rabinowitz, K. M. Barkume, M. E. Brown, H. G. Roe, M. Schwartz, S. W. Tourtellotte, C. A. Trujillo (2006). "Photometric Observations Constraining the Size, Shape, and Albedo of 2003 EL61, a Rapidly Rotating, Pluto-Sized Object in the Kuiper Belt". The Astrophysical Journal(preprint on arXiv)Parameter |format= membutuhkan |url= (bantuan). 639 (2): 1238–1251. doi:10.1086/499575.Pemeliharaan CS1: Banyak nama: authors list (link)
John Stansberry, Will Grundy, Mike Brown, Dale Cruikshank, John Spencer, David Trilling, Jean-Luc Margot (2007-02-20). "Physical Properties of Kuiper Belt and Centaur Objects: Constraints from Spitzer Space Telescope". University of Arizona, Lowell Observatory, California Institute of Technology, NASA Ames Research Center, Southwest Research Institute, Cornell University. Diarsipkan dari versi asli tanggal 2016-10-09. Diakses tanggal 2008-07-27.Pemeliharaan CS1: Banyak nama: authors list (link)
D. L. Rabinowitz, K. M. Barkume, M. E. Brown, H. G. Roe, M. Schwartz, S. W. Tourtellotte, C. A. Trujillo (2006). "Photometric Observations Constraining the Size, Shape, and Albedo of 2003 EL61, a Rapidly Rotating, Pluto-Sized Object in the Kuiper Belt". The Astrophysical Journal(preprint on arXiv)Parameter |format= membutuhkan |url= (bantuan). 639 (2): 1238–1251. doi:10.1086/499575.Pemeliharaan CS1: Banyak nama: authors list (link)
John Stansberry, Will Grundy, Mike Brown, Dale Cruikshank, John Spencer, David Trilling, Jean-Luc Margot (2007-02-20). "Physical Properties of Kuiper Belt and Centaur Objects: Constraints from Spitzer Space Telescope". University of Arizona, Lowell Observatory, California Institute of Technology, NASA Ames Research Center, Southwest Research Institute, Cornell University. Diarsipkan dari versi asli tanggal 2016-10-09. Diakses tanggal 2008-07-27.Pemeliharaan CS1: Banyak nama: authors list (link)