J. O. Askedal
发表
J. O. Askedal,
1984
.
J. O. Askedal,
2022,
NOWELE / North-Western European Language Evolution.
J. O. Askedal,
2005
.
J. O. Askedal,
Harald Bjorvand,
Ottar Grønvik,
1995
.