@misc{indiciae036413d6f1b3,
  title = {KRIGING; an interactive program to determine the best linear unbiased estimation},
  author = {N.J. Bridges},
  year = {1985},
  doi = {10.3133/ofr85112},
  url = {https://pubs.usgs.gov/publication/ofr85112},
  note = {Source identifier: ofr85112}
}