- Author: Anna-Margarete Sändig
- Language: German
- Year: 1987
- Author: Anna-Margarete Sändig Alois Kufner
- Language: English
- Year: 1987
- Author: Anna-Margarete Sändig Alois Kufner
- Language: English
- Year: 1987
- Author: Anna-Margarete Sändig Alois Kufner
- Language: English
- Year: 1987