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- Language: German
- Year: 2005

- Author: Professor Klaus Weltner (auth.)
- Language: German
- Year: 2008

- Author: Professor Klaus Weltner (auth.)
- Language: German
- Year: 2008

- Author: Professor Klaus Weltner (auth.)
- Language: German
- Year: 2008

- Author: Professor Klaus Weltner (auth.)
- Language: German
- Year: 2008

- Author: Franz Schwabl (auth.)
- Language: German
- Year: 2008

- Author: Wolfgang Nolting (auth.)
- Language: German
- Year: 2009

- Author: Peter Hertel (auth.)
- Language: German
- Year: 2009

- Author: Karl-Heinz Goldhorn Hans-Peter Heinz Margarita Kraus (auth.)
- Language: German
- Year: 2009