- Author: Zieschang Frank
- Language: German
- Year: 1998
- Author: Zieschang Frank
- Language: German
- Year: 1992
- Author: Weigend Thomas, Walther Susanne, Grunewald Barbara
- Language: German
- Year: 2008
- Author: Wannek Felicitas
- Language: German
- Year: 2008
- Author: Thole Ulrich
- Language: German
- Year: 1992
- Author: Strien Andrea
- Language: German
- Year: 1992
- Author: Stoffers Kristian F.
- Language: German
- Year: 1992
- Author: Scheele Rolf
- Language: German
- Year: 1993
- Author: Schaeferdiek Sascha
- Language: German
- Year: 1997