Betty Klepper
发表
R. W. Rickman,
Sue E. Waldman,
Betty Klepper,
1995
.
Betty Klepper,
R. W. Rickman,
R. Rickman,
1982
.
Betty Klepper,
B. Klepper,
1992
.
H. M. Taylor,
Betty Klepper,
M. G. Huck,
1972
.
Betty Klepper,
R. W. Rickman,
R. Rickman,
1984
.
Howard M. Taylor,
H. M. Taylor,
Betty Klepper,
1979
.
Betty Klepper,
R. W. Rickman,
R. Rickman,
1990
.
Betty Klepper,
M. G. Huck,
B. Klepper,
1977
.
Gregory S. McMaster,
Betty Klepper,
W. O. Willis,
1991
.
Betty Klepper,
J. Porter,
B. Klepper,
1986,
Plant and Soil.