Jeff Hagen
发表
Lawrence M. Hanser,
Jerry M. Sollinger,
Herbert J. Shukiar,
2008
.
Jeff Hagen,
Carl Rhodes,
Mark Westergren,
2007
.
Daniel M. Norton,
Bruce Davis,
William Stanley,
1997
.
David R. Frelinger,
David A. Shlapak,
Lyle J. Morris,
2015
.
Calvin Shipbaugh,
Jeff Hagen,
Geoffery Gosling,
1996
.
David A. Shlapak,
Eric Heginbotham,
Jeffrey Engstrom,
2015
.
Lawrence M. Hanser,
Jerry M. Sollinger,
Herbert J. Shukiar,
2008
.
Daniel M. Norton,
Bruce Davis,
William Stanley,
1997
.
David R. Frelinger,
David A. Shlapak,
Lyle J. Morris,
2015
.
John Stillion,
Eric Heginbotham,
Jeff Hagen,
2011
.
Tim Kaldewey,
Eric Sedlar,
Jeff Hagen,
2009
.
Calvin Shipbaugh,
Jeff Hagen,
Richard Buenneke,
1999
.
John Stillion,
Eric Heginbotham,
Jeff Hagen,
2011
.
David R. Frelinger,
David A. Shlapak,
Lyle J. Morris,
2015
.
David R. Frelinger,
Jeff Hagen,
Joel Kvitky,
1997
.
Elvira N. Loredo,
John Stillion,
David T. Orletsky,
2006
.
Jeff Hagen,
Mark A. Bernstein,
Scott Hassell,
1999
.