@techreport{eib2020material,
  title = {Material composition of buildings in the Netherlands}
  author = {EIB, Metabolic, SGS Research},
  url = {https://circulairebouweconomie.nl/wp-content/uploads/2020/02/Rapport-Materiaalstromen-in-de-woning-en-utiliteitsbouw-klein.pdf},
  year = {2020}
}