2
3
7
9
11
by Leithner, Hans-Joachim
Published in Bergbau (2016)
Article
12
by Leithner, Hans-Joachim
Published in Bergbau (2016)
Article
14
by Leithner, Hans-Joachim
Published 2019
Book
16
17
by Leithner, Hans-Joachim
Published 2017
Book
18
20
by Leithner, Hans-Joachim
Published 2016
Book