Mary F. Shafer
发表
Kenneth W. Iliff,
Mary F. Shafer,
1995
.
R. E. Maine,
K. W. Iliff,
Mary F. Shafer,
1976
.
Mary F. Shafer,
1991
.
Mary F. Shafer,
M. F. Shafer,
1982
.
Kenneth W. Iliff,
Mary F. Shafer,
1993
.
Randall E. Bailey,
Bruce G. Powers,
Mary F. Shafer,
1988
.
Paul Steinmetz,
Mary F. Shafer,
2001
.
Mary F. Shafer,
Ruthard Koehler,
David R. Levy,
1989
.
Mary F. Shafer,
M. F. Shafer,
1992
.
Mary F. Shafer,
Kenneth W. Iliff,
1992
.
Mary F. Shafer,
Kenneth W. Iliff,
1993
.
Mary F. Shafer,
Kenneth W. Iliff,
M. F. Shafer,
1993
.