42
Published 2018
OECD Publishing

44
Published 2017
OECD Publishing

45
Published 2017
OECD Publishing

46
Published 2017
OECD Publishing

47
Published 2015
OECD Publishing

48
Published 2017
OECD Publishing

49
Published 2017
OECD Publishing

50
by Berlin-Brandenburgische Akademie der Wissenschaften,
Published 2015
Nomos Verlagsgesellschaft mbH & Co. KG

51
by Kehl, Christoph
Published 2015
Nomos Verlagsgesellschaft mbH & Co. KG

55
by Busch, Claudia
Published 2017
Nomos Verlagsgesellschaft mbH & Co. KG

56
by Hauff, Michael von
Published 2014
Nomos Verlagsgesellschaft mbH & Co. KG

60
by Wirtz, Harald
Published 2016
Nomos Verlagsgesellschaft mbH & Co. KG