W. Caldwell
发表
Jisuo Jin,
P. Copper,
W. Caldwell,
1990,
Journal of Paleontology.
A. Plint,
F. Longstaffe,
P. McCarthy,
2002
.
T. K. Kyser,
Shaoneng He,
W. Caldwell,
2016
.
W. Caldwell,
1982
.
G. M. Young,
W. Caldwell,
2011
.
G. M. Young,
W. Caldwell,
2010,
Geological Magazine.
S. Whittaker,
T. K. Kyser,
W. Caldwell,
1987
.
T. K. Kyser,
W. Caldwell,
S. He,
2005
.
S. Harker,
W. Sarjeant,
W. Caldwell,
1990
.
W. Caldwell,
R. W. Forester,
F. Oro,
1977
.
T. K. Kyser,
F. Longstaffe,
W. Caldwell,
1996
.
S. Whittaker,
T. K. Kyser,
W. Caldwell,
1993
.
W. Kupsch,
W. Caldwell,
1982
.
W. Caldwell,
B. R. North,
1984,
Bulletin of the Geological Society of Denmark.
S. Whittaker,
T. K. Kyser,
W. Caldwell,
1988
.
W. Caldwell,
1984
.
W. Caldwell,
H. Charlesworth,
1962
.
W. Caldwell,
1959,
Quarterly Journal of the Geological Society of London.
G. M. Young,
W. Caldwell,
2013,
Geological Magazine.
W. Caldwell,
1957
.
G. M. Young,
W. Caldwell,
2019,
Scottish Journal of Geology.
G. M. Young,
W. Caldwell,
2013
.
G. M. Young,
W. Caldwell,
2011,
Geological Magazine.
J. Jin,
W. Caldwell,
B. Norford,
1997
.
J. Jin,
W. Caldwell,
B. Norford,
1993
.
G. M. Young,
W. Caldwell,
2011,
Earth and Environmental Science Transactions of the Royal Society of Edinburgh.
G. M. Young,
W. Caldwell,
2011
.
W. Caldwell,
1964
.
Jisuo Jin,
P. Copper,
Renbin Zhan,
2007
.
M. Bird,
F. Longstaffe,
F. Vitali,
2001
.
M. Bird,
F. Longstaffe,
F. Vitali,
2000
.
J. Jin,
W. Caldwell,
B. Norford,
1989
.
Jisuo Jin,
W. Caldwell,
B. Norford,
1995
.
G. M. Young,
P. Jutras,
W. Caldwell,
2011
.
G. M. Young,
W. Caldwell,
2011,
Earth and Environmental Science Transactions of the Royal Society of Edinburgh.
W. Caldwell,
J. K. Evans,
1963
.
W. Caldwell,
1967
.