1
by Mastroianni, Anna C.
Published 1994
National Academy Press

2
Published 2018
Taylor & Francis

3
by Becker, Manfred
Published 2019
Rainer Hampp Verlag

4
by Grunwald, Klaus
Published 2018
Nomos Verlagsgesellschaft mbH & Co. KG

5
by Heßler, Martina
Published 2020
Nomos Verlagsgesellschaft mbH & Co. KG