J. Beekman
发表
J. Beekman,
1967
.
J. Beekman,
C. Park,
1983
.
J. Beekman,
D. Grissmer,
D. Ober,
2014,
Education Policy Analysis Archives.
J. Beekman,
D. Ober,
2016
.
Clinton P. Fuelling,
J. Beekman,
1987
.
J. Beekman,
C. Park,
1983,
Journal of Applied Probability.
J. Beekman,
2005
.
J. Beekman,
1975
.
J. Beekman,
N. L. Bowers,
1972
.
Clinton P. Fuelling,
J. Beekman,
1977
.
John A. Beekman,
J. Beekman,
1975,
Journal of Applied Probability.
J. Beekman,
N. L. Bowers,
1972
.
J. Beekman,
1984
.
J. Beekman,
D. Ober,
2016
.
J. Beekman,
1974
.
J. Beekman,
1984
.
E. Shiu,
J. Beekman,
1988
.
John A. Beekman,
J. Beekman,
1969
.
J. Beekman,
G. Meyers,
1987
.
Clinton P. Fuelling,
J. Beekman,
2011
.
Clinton P. Fuelling,
J. Beekman,
1990
.
J. Beekman,
1966
.
J. Beekman,
1999
.
J. Beekman,
1985
.
J. Beekman,
J. Allen,
1966
.
J. Beekman,
1984,
Rural demography.
John A. Beekman,
Clinton P. Fuelling,
J. Beekman,
1992
.