1
2
3
by Wecht, Martin J.
Published 1998
Published 1998
Book
4
5
by Ludwig, Ralph
Published 2012
Published 2012
Book
6
by Imhoff, Gerard
Published 1982
Published 1982
Book
7
8
9
10
11
12
13
by Riemschneider, Ernst G.
Published in Jahrbuch der Schlesischen Friedrich-Wilhelms-Universität zu Breslau (1978)
Published in Jahrbuch der Schlesischen Friedrich-Wilhelms-Universität zu Breslau (1978)
Article
14
15
16
Article
17
18
19
20