G L Ullman
发表
N D Trout,
G L Ullman,
1997
.
R A Krammes,
G L Ullman,
1991
.
S D Schrock,
G L Ullman,
2001
.
K N Balke,
G L Ullman,
1992
.
G L Ullman,
2000
.
G L Ullman,
1996
.
G L Ullman,
P T McCoy,
1984
.
G L Ullman,
2001
.
N D Trout,
G L Ullman,
1991
.
G L Ullman,
D Lewis,
2000
.
G L Ullman,
1994
.
G L Ullman,
C L Dudek,
1987
.