^John Stansberry, Will Grundy, Mike Brown, John Spencer, David Trilling, Dale Cruikshank, Jean-Luc Margot. 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. 2007 [2007-12-01]. (原始內容存檔於2019-08-10).
^Grundy, W. M.; Noll, K. S.; Stephens, D. C. Diverse albedos of small trans-neptunian objects. Icarus,: 22. 2004 [2006-11-07]. (原始內容存檔於2015-03-19).引文使用過時參數coauthors (幫助); 參數|journal=與模板{{cite web}}不匹配(建議改用{{cite journal}}或|website=) (幫助); |volume=被忽略 (幫助)