
- Author: Friedrich H. Pietschmann F.
- Language: German
- Year: 2010

- Author: Mueller R.
- Language: German
- Year: 2009

- Author: Mueller R.
- Language: German
- Year: 2010

- Author: Georgii H.-O.
- Language: German
- Year: 2009

- Author: Jacobs K. Jungnickel D.
- Language: German
- Year: 2004