1
by Stehle, Alexander
Published 2016
Nomos Verlagsgesellschaft mbH & Co. KG

3
by Hoekstra, Arjen Y.
Published 2019
MDPI - Multidisciplinary Digital Publishing Institute

4
by Pütter, Judith Maja
Published 2017
Nomos Verlagsgesellschaft mbH & Co. KG