1
Published 2010
National Academies Press

2
Published 2012
National Academies Press

3
by Matiaske, Wenzel
Published 2017
Nomos Verlagsgesellschaft mbH & Co. KG

4
by Dopheide, Christian
Published 2017
Nomos Verlagsgesellschaft mbH & Co. KG

5
by Altmeppen, Klaus-Dieter
Published 2017
Nomos Verlagsgesellschaft mbH & Co. KG