L H Shaffer
发表
O. K. Harling,
P L Peterson,
K Drumheller,
1975
.
J Hardwick,
L H Shaffer,
L. Shaffer,
1969,
The Quarterly journal of experimental psychology.
L H Shaffer,
L. Shaffer,
1968,
The Quarterly journal of experimental psychology.
L H Shaffer,
L. Shaffer,
1966,
Journal of experimental psychology.