title: [Johannes Müller and Ernst Haeckel].
authors.affiliation: Medizinischer Dienst des Verkehrswesens der DDR.
authors.forename: E E
authors.initials: EE
authors.lastname: Kornmilch
mesh_terms: D001604:Berlin; D001901:Botany / Q000266:history; D049672:History, 19th Century; D015046:Zoology / Q000266:history
vernacular_title: Johannes Müller und Ernst Haeckel.