R. P. Powell
发表
D. C. Woodward,
R. P. Powell,
1986
.
R. P. Powell,
E. Cherland,
D. Taylor,
1988,
Developmental medicine and child neurology.
R. P. Powell,
1981
.
R. P. Powell,
T. Clutton‐Brock,
P. Greenwood,
2010,
Zeitschrift fur Tierpsychologie.
R. P. Powell,
D. Bishop,
1992,
Developmental medicine and child neurology.