1
by Friedl, Gunther
Published 2001
Duncker & Humblot

2
by Friedl, Gunther
Published 2007
Springer Berlin Heidelberg

3
by Friedl, Gunther, Kühling, Jürgen
Published 2016
Nomos Verlagsgesellschaft mbH & Co. KG

4
by Friedl, Gunther, Pedell, Burkhard
Published 2020
Springer Fachmedien Wiesbaden

5
by Friedl, Gunther, Pedell, Burkhard
Published 2017
Springer Fachmedien Wiesbaden

6
by Friedl, Gunther, Hilz, Christian, Pedell, Burkhard
Published 2012
Springer Fachmedien Wiesbaden

7
by Friedl, Gunther, Hilz, Christian, Pedell, Burkhard
Published 2008
Vieweg+Teubner Verlag