@misc{https://doi.org/10.4121/16451739.v1,
  doi = {10.4121/16451739.v1},
  url = {https://data.4tu.nl/articles/dataset/Tier_4_maps_of_soil_pH_at_25_m_resolution_for_the_Netherlands/16451739/1},
  author = {Helfenstein, Anatol and Mulder, Vera L. and Heuvelink, Gerard B.M. and Okx, Joop P.},
  keywords = {soil pH, digital soil map, Netherlands, Quantile Regression Forest, uncertainty, accuracy thresholds, quantiles, mean, median, high resolution},
  title = {Tier 4 maps of soil pH at 25 m resolution for the Netherlands},
  publisher = {4TU.ResearchData},
  year = {2021},
  copyright = {CC BY 4.0},
}