R. Littleford
发表
Robert A. Littleford,
R. Littleford,
1960
.
M. Chatfield,
D. Paterson,
P. Harris,
2021,
Trials.
R. Littleford,
W. F. Keller,
N. E. Phillips,
1947
.
R. Littleford,
Helene M. Gysin,
1944
.
Boland B. Shepherd,
R. Littleford,
C. L. Newcombe,
1940
.
R. Littleford,
1939
.
R. Littleford,
1939,
Nature.