G. Alberts, Jaren van berekening. Toepassingsgerichte initiatieven in de Nederlandse wiskunde-beoefening 1945-1960. BMGN - Low Countries Historical Review, [S. l.], v. 115, n. 1, p. 184–185, 2000. DOI: 10.18352/bmgn-lchr.5209. Disponível em: https://ojstest.minions.amsterdam/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-105974.. Acesso em: 30 jun. 2024.