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

3
by Harrauer, Verena
Published 2016
Peter Lang International Academic Publishers

4
by Strizhak, Pavel A.
Published 2019
MDPI - Multidisciplinary Digital Publishing Institute

5
by Pütter, Judith Maja
Published 2017
Nomos Verlagsgesellschaft mbH & Co. KG

6
Published 2018
Peter Lang International Academic Publishers