ERNST, A. Eine Innovation des Jahres 1811: Zucker aus Württemberg. Rundbrief, [S. l.], n. 11, p. 15–17, 2011. DOI: 10.53458/rb.vi11.5308. Disponível em: https://journals.wlb-stuttgart.de/ojs/index.php/rb/article/view/5308. Acesso em: 25 juli. 2024.