- Author: Lerche Peter, Scholz Rupert, Lorenz Dieter, Pestalozza Christian, Kloepfer Michael, Jarass Hans D., Degenhart Christoph, Lepsius Oliver
- Language: German
- Year: 2004
- Author: Jarass Hans D.
- Language: German
- Year: 1984
- Author: Jarass Hans D.
- Language: German
- Year: 1996