- Author: Forschungsstelle für Acetylen (auth.)
- Language: German
- Year: 1952
- Author: Kurt Utermann
- Language: German
- Year: 1957
- Author: Alexander Roos
- Language: German
- Year: 1958
- Author: Leo Brandt
- Language: German
- Year: 1954
- Author: Wolfgang Paul
- Language: German
- Year: 1958