1
by Kley, Friedrich
Published 2017
Nomos Verlagsgesellschaft mbH & Co. KG

2
by Matiaske, Wenzel
Published 2017
Nomos Verlagsgesellschaft mbH & Co. KG

3
by Schwien, Bernd
Published 2015
Nomos Verlagsgesellschaft mbH & Co. KG

4
by Frankenberger, Rolf
Published 2020
Nomos Verlagsgesellschaft mbH & Co. KG