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- Language: German
- Year: 2018

- Author: Wilhelm Heitmeyer Peter Imbusch (eds.)
- Language: German
- Year: 2005

- Author: Andreas Böttger Olaf Lobermeier Katarzyna Plachta (auth.)
- Language: German
- Year: 2014

- Author: Barbara Kaletta
- Language: German
- Year: 2008