“Keuzes En Patronen in De Techniekgeschiedenis Van Nederland in De Twintigste Eeuw”. BMGN - Low Countries Historical Review 120, no. 1 (January 1, 2005): 51–59. Accessed September 18, 2024. https://ojstest.minions.amsterdam/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-107039.