2
by Jopp, Mathias
Published 2014
Nomos Verlagsgesellschaft mbH & Co. KG

3
by Conrad, Maximilian
Published 2016
Nomos Verlagsgesellschaft mbH & Co. KG

4
by Hartmann, Daniel
Published 2018
Peter Lang International Academic Publishing Group

5
by Fernández-Manjarrés, Juan F.
Published 2022
MDPI - Multidisciplinary Digital Publishing Institute

6
by Yigitcanlar, Tan
Published 2022
MDPI - Multidisciplinary Digital Publishing Institute