I. Powell
发表
James C. Cosgrove,
I. Powell,
1992
.
I. Powell,
J. Vogel,
D. Eisenberg,
1994
.
Mark Montgomery,
James C. Cosgrove,
I. Powell,
1994
.
Janice Valerie Fordyce Brace-Govan,
Yelena Tsarenko,
Ian Walker,
2009
.
Mark Montgomery,
I. Powell,
2003
.