1
2
3
4
5
6
by Thalhammer, H.
Published: 1983
Manuscript
7
8
9
Published: 2002
Book Part
10
11
12
13
14
15
16
17
18
19
by Bach, Heinz
Published: 1976
Manuscript
20
by Siegel, Leonhard
Published: 1975
Manuscript