HEYRMAN, P. P. Nefors, La collaboration industrielle en Belgique 1940-1945. BMGN - Low Countries Historical Review, [S. l.], v. 124, n. 2, p. 304–306, 2009. DOI: 10.18352/bmgn-lchr.6985. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-108010. Acesso em: 20 apr. 2024.