- Author: Karin Nickenig
- Language: German
- Year: 2019
- Author: Karin Nickenig
- Language: German
- Year: 2019
- Author: Karin Nickenig
- Language: German
- Year: 2019
- Author: Karin Nickenig
- Language: German
- Year: 2019
- Author: Karin Nickenig
- Language: German
- Year: 2018
- Author: Karin Nickenig
- Language: German
- Year: 2018
- Author: Karin Nickenig
- Language: German
- Year: 2017
- Author: Karin Nickenig (auth.)
- Language: German
- Year: 2018
- Author: Karin Nickenig (auth.)
- Language: German
- Year: 2017