1
by Abel, Jörg
Published 2007
Nomos Verlagsgesellschaft mbH & Co. KG

2
by Abel, Jörg
Published 2013
Nomos Verlagsgesellschaft mbH & Co. KG

3
by Abel, Jörg, Hirsch-Kreinsen, Hartmut, Ittermann, Peter
Published 2014
Nomos Verlagsgesellschaft mbH & Co. KG