R. Powers
发表
T. Goebel,
N. Bigelow,
R. Powers,
1991
.
J. Beget,
N. Bigelow,
R. Powers,
1990,
Quaternary Research.
R. Powers,
S. Bohlen,
1985
.
L. Barnetson,
P. Hulme,
C. Wickham-Jones,
1983
.
J. Beget,
N. Bigelow,
R. Powers,
1991,
Quaternary Research.