Cathryn Dippo
发表
Eric R. Ziegel,
Paul P. Biemer,
Dennis Trewin,
1998
.
Edith D. de Leeuw,
Paul P. Biemer,
Dennis Trewin,
1997
.
Cathryn Dippo,
Donna L. Kostanich,
C. Dippo,
2002
.
Edith D. de Leeuw,
Paul P. Biemer,
Dennis Trewin,
1997
.