1
by Hanna, Kathi E.
Published 1991
National Academy Press

2
by Helen Louise Ackers
Published 2017
Palgrave Macmillan

3
by der Berlin-Brandenburgischen Akademie der Wissenschaften,
Published 2015
Nomos Verlagsgesellschaft mbH & Co. KG

4
by Gerlinger, Katrin
Published 2017
Nomos Verlagsgesellschaft mbH & Co. KG

6
by Hümpel, Anja
Published 2017
Nomos Verlagsgesellschaft mbH & Co. KG