@misc{flanders1970soil,
  title = {Soil map (1: 20,000) of Belgium}
  author = {Flanders Underground Database},
  url = {https://www.dov.vlaanderen.be/portaal/?module=verkenner&pos=117979.5%2C170196.7&res=1.4000000000044093&layers=n%3Aomwrgbmrvl%3Bo%3Aref%2Cn%3Abodemkaart%5C%3Abodemtypes%3Bo%3Adov%3Bt%3Awms%2Cn%3Abodemkaart%5C%3Asubstraten%3Bo%3Adov%3Bt%3Awms%2Cn%3Abodemkaart%5C%3Afasen%3Bo%3Adov%3Bt%3Awms%2Cn%3Abodemkaart%5C%3Avar_moedermateriaal%3Bo%3Adov%3Bt%3Awms%2Cn%3Abodemkaart%5C%3Avar_profielontwikkeling%3Bo%3Adov%3Bt%3Awms%2Cn%3Ato%5C%3Ato_topnzw_2009_raster_10k_tr%3Bo%3Aref%3Bt%3Awms%3Bv%3An%2Cn%3Agrb_se},
  year = {1970}
}