P. D. Witherspoon
发表
George Sylvie,
P. D. Witherspoon,
2001
.
P. D. Witherspoon,
I. Ryabov,
Igor Ryabov,
2008
.
Patricia Dennis Witherspoon,
P. D. Witherspoon,
1996
.
P. D. Witherspoon,
Patricia D. Witherspoon,
Kathy L. Wohlert,
1996
.