R R Hegmon
发表
G G Balmer,
R R Hegmon,
1980
.
J C Wambold,
E B Spangler,
R R Hegmon,
1981
.
R R Hegmon,
1981
.
T D Gillespie,
W E Meyer,
R R Hegmon,
1974
.
T D Gillespie,
W E Meyer,
R R Hegmon,
1973
.
R R Hegmon,
S Weiner,
L J Runt,
1975
.
R R Hegmon,
W E Meyer,
1968
.
R R Hegmon,
A J Stocker,
S Weiner,
1976
.
R R Hegmon,
1982
.