Y. Abrahamsen
发表
M. Graff,
C. Müller,
E. Atukeren,
2003
.
E. Prescott,
T. Kehoe,
M. Graff,
2003
.
Bernd Schips,
Y. Abrahamsen,
1991
.
Jochen Hartwig,
Y. Abrahamsen,
2011
.