John Stansberry, Will Grundy, Mike Brown, Dale Cruikshank, John Spencer, David Trilling, Jean-Luc Margot.Physical Properties of Kuiper Belt and Centaur Objects: Constraints from Spitzer Space Telescope(англ.). University of Arizona, Lowell Observatory, California Institute of Technology, NASA Ames Research Center, Southwest Research Institute, Cornell University (2007). Дата обращения: 25 июля 2008. Архивировано 22 мая 2019 года.
John Stansberry, Will Grundy, Mike Brown, Dale Cruikshank, John Spencer, David Trilling, Jean-Luc Margot.Physical Properties of Kuiper Belt and Centaur Objects: Constraints from Spitzer Space Telescope(англ.). University of Arizona, Lowell Observatory, California Institute of Technology, NASA Ames Research Center, Southwest Research Institute, Cornell University (2007). Дата обращения: 25 июля 2008. Архивировано 22 мая 2019 года.