R. Walko
发表
T. Shepodd,
R. Clough,
C. Ashley,
1994
.
R. Walko,
1978
.
G. Rochau,
R. Walko,
1981,
IEEE Transactions on Nuclear Science.
O. Nishikawa,
R. Walko,
1971
.
R. Walko,
1961,
Annales de radiologie.
E. Müller,
R. Walko,
1972,
January 16.
T. Tsong,
R. Walko,
1972,
July 16.
John Gill,
C. J. Brinker,
Carol S. Ashley,
1990,
Optics & Photonics.
R. C. Hughes,
R. M. Biefeld,
T. E. Zipperian,
1991
.
J. Panitz,
R. Walko,
1976
.
J. O'hagan,
J. Brainard,
A. Riedel,
1983,
IEEE Transactions on Nuclear Science.
D. Cowgill,
A. Riedel,
F. Bacon,
1981,
IEEE Transactions on Nuclear Science.
C. Hickox,
D. Cowgill,
A. Riedel,
1984
.