B. Becker
发表
B. Becker,
2000
.
B. Becker,
2011
.
B. Becker,
2001
.
B. Becker,
2010,
Journal of Astronomical History and Heritage.
B. Becker,
2013
.
B. Becker,
2013
.
R. D. Greer,
B. Becker,
R. Mirabella,
1985
.
B. Becker,
2011
.