P. Gravel
发表
R. Abraham,
R. Carlberg,
D. Schade,
1996
.
R. Abraham,
R. Carlberg,
C. Pritchet,
1997,
astro-ph/9703107.
H. Lin,
R. Abraham,
R. Carlberg,
1998
.
R. Carlberg,
C. Pritchet,
J. Hutchings,
1996,
astro-ph/9611204.
R. Carlberg,
E. Ellingson,
H. Yee,
1998
.
J. Melanson,
P. Gravel,
C. Gauthier,
2002
.