R. A. Spragg
发表
C. Deeley,
John W. Sellors,
R. A. Spragg,
1989,
Other Conferences.
R. A. Spragg,
R. Bennett,
C. Deeley,
1994,
Other Conferences.
R. A. Spragg,
J. Sellors,
1994,
Other Conferences.
R. A. Spragg,
C. M. Deeley,
T. Threlfall,
1991
.