1
by Pirner, Manfred L.
Published 1999
Vandenhoeck & Ruprecht

2
by Trültzsch-Wijnen, Christine
Published 2017
Nomos Verlagsgesellschaft mbH & Co. KG

3
by Altmeppen, Klaus-Dieter
Published 2017
Nomos Verlagsgesellschaft mbH & Co. KG