1
by Maelicke, Bernd, Fretschner, Rainer, Köhler, Nina, Frei, Fabian
Published 2013
Springer Fachmedien Wiesbaden

2
by Fretschner, Rainer
Published 2011
Nomos Verlagsgesellschaft mbH & Co. KG

3
by Fretschner, Rainer
Published 2012
Nomos Verlagsgesellschaft mbH & Co. KG