1
by Hardege, Stefan
Published 2018
Peter Lang International Academic Publishers

2
by Rittmann, Günter
Published 2014
Nomos Verlagsgesellschaft mbH & Co. KG

3
by Heßler, Martina
Published 2020
Nomos Verlagsgesellschaft mbH & Co. KG

5
by Friedrich, Alexander
Published 2019
Nomos Verlagsgesellschaft mbH & Co. KG

6
by Zettl, Kerstin
Published 2022
Nomos Verlagsgesellschaft mbH & Co. KG