D. Askeland
发表
D. Askeland,
1996
.
D. Askeland,
W. Wright,
Pradeep P. Fulay,
1984
.
Donald R. Askeland,
Pradeep P. Fulay,
D. Askeland,
2013
.
Donald R. Askeland,
D. Askeland,
1994
.
D. Askeland,
1991
.
M. Tiryakioğlu,
D. Askeland,
E. Tiryakioğlu,
1997
.
D. Askeland,
1996
.
D. Askeland,
1996
.