1
by Knopp, Lothar
Published 2009
Nomos Verlagsgesellschaft mbH & Co. KG

2
by Knopp, Lothar
Published 2010
Nomos Verlagsgesellschaft mbH & Co. KG

3
by Knopp, Lothar
Published 2012
Nomos Verlagsgesellschaft mbH & Co. KG