- Author: Carsten Fischer (auth.) Professor Dr. Gerd Litfin (eds.)
- Language: German
- Year: 2005
- Author: Carsten Fischer (auth.) Professor Dr. Gerd Litfin (eds.)
- Language: German
- Year: 1997
- Author: Carsten Fischer (auth.) Professor Dr. Gerd Litfin (eds.)
- Language: German
- Year: 2005
- Author: Carsten Fischer (auth.) Professor Dr. Gerd Litfin (eds.)
- Language: German
- Year: 2001
- Author: Gerd Litfin
- Language: German
- Year: 2005
- Author: Gerd Litfin
- Language: German
- Year: 2005
- Author: Gerd Litfin
- Language: German
- Year: 2004