1
2
Published 1992
Book
3
by Laux, Hans E.
Published 1994
Book
4
by Klee, Otto
Published 1991
Book
5
Published 1997
Book
6
by Herrmann, Wolfgang
Published 1977
Book
7
Published c 1995
Book
8
Published 2000
Book
9
Journal
11
12
Published 1996
Book
13
14
15
Published 1988
Book
16
by Lohmeyer, Wilhelm
Published 1992
Book
17
by Rasper, Manfred
Published 2001
Book
18
Published [2019]
Book
19
by Rössing, Renate
Published 1980
Book
20
Published 1994
Book