Bullock, Nick. “Michael Ryckewaert, Building the Economic Backbone of the Belgian Welfare State: Infrastructure, Planning and Architecture 1945-1973”. BMGN - Low Countries Historical Review 127, no. 3 (October 1, 2012): review 56. Accessed May 5, 2024. https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-109851.