D. Appell
发表
D. Appell,
2002
.
D. Appell,
2004,
Proceedings of the National Academy of Sciences of the United States of America.
P. Mackenzie,
D. Appell,
G. Sterman,
1988
.
David Appell,
D. Appell,
2001
.
D. Appell,
2008,
Scientific American.
D. Appell,
2002
.