@misc{indiciaecc097c923e80,
  title = {VARBOOT: A spatial bootstrap program for semivariogram uncertainty assessment},
  author = {Eulogio Pardo-Iguzquiza and Ricardo A. Olea},
  year = {2012},
  doi = {10.1016/j.cageo.2011.09.002},
  url = {https://pubs.usgs.gov/publication/70199539},
  note = {Source identifier: 70199539}
}