W. Christensen
发表
C. Martin,
K. Hench,
W. Christensen,
2002,
Proceedings of the 5th Biannual World Automation Congress.
R. S. Reid,
W. Christensen,
K. A. Woloshun,
1994
.
W. Christensen,
F. Anderson,
L. Fullerton,
1991
.