1
by Matiaske, Wenzel
Published 2017
Nomos Verlagsgesellschaft mbH & Co. KG

2
by Hanna, Kathi E.
Published 1991
National Academy Press

3
Published 2018
Taylor & Francis

4
by Grunwald, Klaus
Published 2018
Nomos Verlagsgesellschaft mbH & Co. KG

5
by Güttel, Wolfgang H.
Published 2019
Rainer Hampp Verlag