title: [Problems of environmental hygiene in 19th century Erfurt].
mesh_terms: D004787:Environmental Pollution / Q000266:history*; D005858:Germany; D049672:History, 19th Century; D007220:Industrial Waste
chemical_list: D007220:Industrial Waste
vernacular_title: Probleme der Umwelthygiene im Erfurt des 19. Jahrhunderts.