- Author: Karin Schweißgut
- Language: German
- Year: 2000
- Author: Bettina Dennerlein
- Language: German
- Year: 1999
- Author: Klaus Klier
- Language: German
- Year: 1999
- Author: Marwan M. Obeidat
- Language: English
- Year: 1999
- Author: Mohammed Rashed
- Language: German
- Year: 1999
- Author: Ellinor Schöne
- Language: German
- Year: 1998
- Author: Barbara Sigge
- Language: German
- Year: 1998