R A Crawford
发表
A C Benkelman,
R I Kingham,
H Y Fang,
1962
.
R A Crawford,
H C Lamberton,
A J Sainz,
1981
.
R A Crawford,
D W Anderson,
1964
.
R A Crawford,
D W Anderson,
1968
.
R A Crawford,
D W Anderson,
1968
.
R A Crawford,
J N Chapman,
R P Rhodes,
1990
.
R A Crawford,
D W Anderson,
1968
.
R A Crawford,
D Anderson,
1966
.
R A Crawford,
D W Anderson,
1967
.
R A Crawford,
R K Matthews,
J R Maus,
1994
.