NASA-Goddard

发表

W. C. Danchi, J. D. Monnier, Harvard-Smithsonian CfA, 2002 .

University of Sydney, University of Wisconsin, University of Exeter, 2007 .

E. B. Jenkins, S. A. Baum, A. L. Kinney, 1999 .

Ucla, M. Malkan, K. Shimasaku, 2012, 1202.0278.

G. Tagliaferri, Eso - Garching, G. Ghisellini, 2014, 1402.4804.

G. Williger, R. Weymann, Jhu, 2002, astro-ph/0204204.

P. Tuthill, U. Exeter, J. Monnier, 2006, astro-ph/0610437.