@misc{indiciaeab7f3bdfb4e8,
  title = {Resampling of spatially correlated data with preferential sampling for the estimation of frequency distributions and semivariograms},
  author = {Ricardo A. Olea},
  year = {2016},
  doi = {10.1007/s00477-016-1289-4},
  url = {https://pubs.usgs.gov/publication/70199536},
  note = {Source identifier: 70199536}
}