J. College
发表
London,
A. Taylor,
P. Jakobsson,
2001,
astro-ph/0108399.
U. Exeter,
M. Pozzo,
T. Naylor,
2003,
astro-ph/0302205.
Pittsburgh,
A. Coil,
A. Georgakakis,
2008,
0807.2240.
M. C. Cooper,
Berkeley,
Florida,
2006,
astro-ph/0606139.
Astronomy,
Irvine,
Technology,
2006,
1606.07538.