1
2
Book
3
Published: Bad Arolsen, 2010
Book
4
Book
5
Published: Bad Arolsen, 2015
Book
6
Book
7
Book
8
Published: Berlin, 2017
Book
9
Book
10
Published: Wien : New Academic Pr, 2015
Book
11
Published: Bad Arolsen, 2013
Book
12
Published: Bad Arolsen, 2012
Book
13
Book
14
Published: Berlin, 2005
Book
15
Published: Stuttgart : Steiner, 2007
Book
16
Book
17
Book
18
Published: Stuttgart : Steiner, 2007
Book
19
Published: Berlin : Metropol-Verl, 2004
Book
20
Published: Berlin : Metropol-Verl, 2016
Book