- Author: Regine Witkowski, Falko H. Herrmann
- Language: German
- Year: 1977
- Author: Regine Witkowski, Falko H. Herrmann
- Language: German
- Year: 1990
- Author: Regine Witkowski, Falko H. Herrmann
- Language: German
- Year: 1977
- Author: Dr. sc. nat. Falko H. Herrmann Dr. rer. nat. Martina Ch. Herrmann (auth.)
- Language: German
- Year: 1979
- Author: Dr. habil. Regine Witkowski Dr. sc. nat. Falko H. Herrmann (auth.)
- Language: German
- Year: 1976