1
by Bulger, Ruth Ellen
Published 1995
National Academy Press

2
by Noreen Herzfeld
Published 2017
MDPI AG - Multidisciplinary Digital Publishing Institute

3
by Voigt, Friedemann
Published 2017
Nomos Verlagsgesellschaft mbH & Co. KG

4
by Friedrich, Alexander
Published 2018
Nomos Verlagsgesellschaft mbH & Co. KG

5
by Friedrich, Alexander
Published 2017
Nomos Verlagsgesellschaft mbH & Co. KG

6
by Richter, Philipp
Published 2018
Nomos Verlagsgesellschaft mbH & Co. KG

7
by Grimm, Herwig
Published 2019
Nomos Verlagsgesellschaft mbH & Co. KG