H. Becker
发表
H. Becker,
M. Agopian,
S. Yeh,
1992,
Journal of drug education.
H. Becker,
D. Becker,
1995
.
George T. Felkenes,
H. Becker,
1968
.
George T. Felkenes,
Harold K. Becker,
H. Becker,
1995
.