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: 21 jan. 2021.
doi: https://doi.org/10.7480/overholland.2008.7.1650.