1
2
Published c 1995
Book
3
Published 1992
Book
4
by Laux, Hans E.
Published 1994
Book
5
Published 1997
Book
6
by Herrmann, Wolfgang
Published 1977
Book
7
by Klee, Otto
Published 1991
Book
8
Published 2000
Book
9
Journal
10
Published 1996
Book
12
13
Published [2019]
Book
14
15
16
Published 1988
Book
17
by Rasper, Manfred
Published 2001
Book
18
by Lohmeyer, Wilhelm
Published 1992
Book
19
by Rössing, Renate
Published 1980
Book
20
Published 1994
Book