Peter G. Simpkin
发表
Karl E. Butler,
Aaron J. DesRoches,
Peter G. Simpkin,
2011
.
Peter G. Simpkin,
Larry A. Mayer,
Barbara J. Kraft,
2002
.
Peter G. Simpkin,
David C. Mosher,
P. Simpkin,
1999
.
Peter G. Simpkin,
Larry A. Mayer,
John A. Goff,
2002
.