VAN GAMEREN, Dick; SCHAAPVELD, Sjoerd; HAMANN, Rasmus. The Discovery of Gouda. OverHolland, [S.l.], p. 65-75, june 2008. ISSN 1574-3160. Available at: <https://journals.open.tudelft.nl/overholland/article/view/1650>. Date accessed: 24 oct. 2020. doi: https://doi.org/10.7480/overholland.2008.7.1650.