3
by Beck, Matthias
Published 2004
Schöningh

4
by Wolfgang, Engel
Published 2010
Universitätsverlag Göttingen

5
by Voigt, Friedemann
Published 2017
Nomos Verlagsgesellschaft mbH & Co. KG

6
by Altmeppen, Klaus-Dieter
Published 2017
Nomos Verlagsgesellschaft mbH & Co. KG

7
by Büssing, Arndt
Published 2019
MDPI - Multidisciplinary Digital Publishing Institute