Ernst Homburg, Groeien door kunstmest. DSM Agro, 1929-2004. TSEG - The Low Countries Journal of Social and Economic History, [S. l.], v. 3, n. 2, p. 131–133, 2006. DOI: 10.18352/tseg.670. Disponível em: https://testplatform.openjournals.nl/tseg/article/view/7940.. Acesso em: 23 nov. 2024.