Jeffrey L. Harpster
发表
Jeffrey L. Harpster,
1987
.
Andris Freivalds,
Jeffrey L. Harpster,
Nadir Moussaoui,
1989
.
G Steinberg,
Neil D. Lerner,
Richard Huey,
1997
.
Andris Freivalds,
Jeffrey L. Harpster,
Lisa S. Heckman,
1983
.