1
by Nauerth, Werner
Published 2014
Nomos Verlagsgesellschaft mbH & Co. KG

2
by Bartels, Michael
Published 2015
Nomos Verlagsgesellschaft mbH & Co. KG

3
by Stein, Volker
Published 2012
Nomos Verlagsgesellschaft mbH & Co. KG

4
by Matiaske, Wenzel
Published 2017
Nomos Verlagsgesellschaft mbH & Co. KG