- Author: Robert Wegener, Silvia Deplazes, Marianne Hänseler, Hansjörg Künzli, Stefanie Neumann, Annamarie Ryter, Wolfgang Widulle
- Language: German
- Year: 2018
Botanik
pdf
- Author: Eckehart J. Jäger Stefanie Neumann Erich Ohmann (auth.)
- Language: German
- Year: 2001