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

2
by Lytras, Miltiadis
Published 2019
MDPI - Multidisciplinary Digital Publishing Institute
Cover Image

3
by T. Marsden, Christopher
Published 2017
Manchester University Press

4
by Rittmann, Günter
Published 2014
Nomos Verlagsgesellschaft mbH & Co. KG