Gerrits, André. “Time, Fortuna and Policy – or How to Understand European Integration?”. BMGN - Low Countries Historical Review 125, no. 4 (January 1, 2010): 67–73. Accessed March 28, 2024. https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-108175.