Italy Isaac Newton Group of Telescopes
发表
Garching,
Tenerife,
J. Walsh,
2003,
astro-ph/0305105.
Brazil.,
R. Corradi,
U. Munari,
2008,
0809.2370.
Spain.,
U. S. Paulo,
L. Magrini,
2006,
astro-ph/0611756.