Ucla
发表
U. C. A. Boulder,
M. Gladders,
E. Ellingson,
2007,
0710.2351.
M. Malkan,
M. Salvati,
L. Hunt,
1998,
astro-ph/9808168.
K. Covey,
Western Washington University,
A. Rechen-Institut,
2024,
Astrophysical Journal Letters.