Brolsma, Jolco. “Ruud Filarski, Tegen De Stroom In. Binnenvaart En Vaarwegen Vanaf 1800”. TSEG - The Low Countries Journal of Social and Economic History 12, no. 4 (December 15, 2015): 162–163. Accessed April 11, 2026. https://testplatform.openjournals.nl/tseg/article/view/7374.