@misc{prorail2020rail,
  title = {Rail network Apeldoorn 2020}
  author = {ProRail},
  url = {https://www.nationaalgeoregister.nl/geonetwork/srv/dut/catalog.search#/metadata/2768fd98-3d2a-4790-886c-7435fc0ad4f6},
  year = {2020}
}