R Ashworth
发表
R Ashworth,
1976
.
R Ashworth,
K Brahimi,
1989
.
R Ashworth,
K Brahimi,
1992
.
R Ashworth,
P Bull,
1981
.
A D May,
L G Willumsen,
H W McGee,
1979
.
R Ashworth,
J C Field,
1973
.
K W Dickinson,
R C Waterfall,
R Ashworth,
1983
.
R Ashworth,
C G Bottom,
R. Ashworth,
1977
.
R Ashworth,
1986
.
K H Brittain,
R Ashworth,
A Lopez Ruiz,
1966
.
T Y El-Reedy,
R Ashworth,
1978
.
R Ashworth,
J. Tanner,
R. Ashworth,
1970
.
R Ashworth,
C G Bottom,
1975
.