1
by Schmiede, Rudi
Published 2015
Nomos Verlagsgesellschaft mbH & Co. KG

3
by Schnell, Martin W.
Published 2019
Velbrück Wissenschaft

4
by Friedrich, Alexander
Published 2019
Nomos Verlagsgesellschaft mbH & Co. KG

5
by Heßler, Martina
Published 2020
Nomos Verlagsgesellschaft mbH & Co. KG