@article{Boersma_2011, title={E. van Blankenstein e.a., Bruggen in Nederland, 1950-2000. Techniek in ontwikkeling}, volume={126}, url={https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-108450}, DOI={10.18352/bmgn-lchr.7349}, number={2}, journal={BMGN - Low Countries Historical Review}, author={Boersma, K.}, year={2011}, month={Jan.} }