- Author: Hannelore Winkler
- Language: German
- Year: 1976
- Author: J. Schildt (editor)
- Language: German
- Year: 1978
- Author: M. M. Guchmann, N. N. Semenjuk
- Language: German
- Year: 1982
- Author: Rudolf Bentzinger
- Language: German
- Year: 1974
- Author: Günter Feudel (editor)
- Language: German
- Year: 1973