Robert M. Sykes
发表
J. K. Cronk,
J. Mitsch,
R. Sykes,
1990
.
Ming-Der Yang,
C. Merry,
R. Sykes,
2000
.
Keith W. Bedford,
Charles Libicki,
R. Sykes,
1983
.
Harold W. Walker,
R. Sykes,
H. Walker,
2003
.
Robert M. Sykes,
1984
.