Wiessmann, Hans2025-11-032025-11-031926Wiessmann, Hans. 1926. Agrikulturchemisches Prakticum : Quantitative Analyse. Berlin: Paul Pareyhttps://repository.iuls.ro/handle/20.500.12811/5879depublic domainhttps://creativecommons.org/publicdomain/zero/1.0/agrochimieBook