1
Published: Leverkusen-Opladen : Budrich, 2009
Book
2
Published: Berlin, 2011
Book
3
Published: NDR ZDF, 2012
4
Published: Celle, 2015
Book
5
6
Published: Wolfenbüttel, 2015
Book
7
8
Published: MDR, 2005
9
10
11
Published: Berlin, 2012
Book
12
13
14
15
Published: 3 SAT, 2005
16
Published: ARD ZDF, 2011
17
18
Published: Bonn, 2003
Book
19
Published: Berchtesgaden, 2017
Book
20
Published: ZDF, 2008