1
by Heßler, Martina
Published 2020
Nomos Verlagsgesellschaft mbH & Co. KG

2
by Napolitano, Fabio
Published 2019
MDPI - Multidisciplinary Digital Publishing Institute

3
by Grunwald, Klaus
Published 2018
Nomos Verlagsgesellschaft mbH & Co. KG

4
by Dopheide, Christian
Published 2017
Nomos Verlagsgesellschaft mbH & Co. KG