H. Betlem
发表
P. Spurný,
J. Oberst,
S. Molau,
1998
.
Pavel Koten,
Pavel Spurný,
J. Borovička,
2004
.
Michael A. Wilson,
H. Betlem,
P. Jenniskens,
1997
.
H. Betlem,
P. Jenniskens,
M. de Lignie,
1997
.
J. Borovička,
P. Spurný,
H. Betlem,
2006
.
H. Betlem,
P. Jenniskens,
2000
.
P. Spurný,
H. Betlem,
P. Jenniskens,
2000
.
J. Borovička,
C. Laux,
H. Betlem,
1998
.
H. Betlem,
M. Laubenstein,
G. Heusser,
1994
.
H. Betlem,
J. J. V. van Overbeek,
1979,
The Annals of otology, rhinology, and laryngology.
Peter Jenniskens,
P. Spurný,
H. Betlem,
1999
.
P. Spurný,
H. Betlem,
P. Jenniskens,
1998
.
H. Betlem,
P. Jenniskens,
E. Morales,
1998
.
J. Borovička,
H. Betlem,
1997
.
P. Spurný,
H. Betlem,
P. Koten,
2000
.
H. Betlem,
P. Jenniskens,
C. T. Kuile,
1998
.
F. Bettonvil,
J. Borovička,
D. Heinlein,
1992
.
J. Borovička,
D. Heinlein,
H. Betlem,
1991
.
J. Borovička,
D. Heinlein,
H. Betlem,
1998
.