W. Wrigley
发表
R. H. Battin,
J. E. Miller,
C. S. Draper,
1965
.
W. Wrigley,
F. E. Houston,
H. R. Whitman,
1958,
IRE Transactions on Aeronautical and Navigational Electronics.
W. Wrigley,
1977
.
C. S. Draper,
W. Wrigley,
R. B. Woodbury,
1959
.