7
by Ludwig, Daniel
Published 2021
Rainer Hampp Verlag

9
by Becker, Manfred
Published 2019
Rainer Hampp Verlag

10
by Valeva, Milena
Published 2019
Rainer Hampp Verlag

15
by Grunwald, Klaus
Published 2018
Nomos Verlagsgesellschaft mbH & Co. KG

17
by Grieser, Franziska
Published 2021
Nomos Verlagsgesellschaft mbH & Co. KG

20
by Zerres, Christopher
Published 2022
Nomos Verlagsgesellschaft mbH & Co. KG