Alan Walker
发表
J. Richtsmeier,
Alan Walker,
1993
.
Christopher B. Ruff,
C. Ruff,
Alan Walker,
1993
.
P. Shipman,
Alan Walker,
1980,
Paleobiology.
Pat Shipman,
Alan Walker,
David Bichell,
1985
.
B. Latimer,
Alan Walker,
L. Jellema,
1993
.
Alan Walker,
1982
.
P. Shipman,
Alan Walker,
1996
.
C. Ruff,
Alan Walker,
1993
.
Alan Walker,
2005
.
Alan Walker,
2018,
The Future of Ageing in Europe.