1.
F. Wielenga, Nederland in de twintigste eeuw. BMGN-LCHR [Internet]. 2011 Jan. 1 [cited 2024 Nov. 22];126(1):127-8. Available from: https://ojstest.minions.amsterdam/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-108290