@misc{indiciae88f61ce566cd,
  title = {FREQFIT; a computer program which performs numerical regression and statistical chi-squared goodness of fit analysis},
  author = {G.S. Hofland and C.C. Barton},
  year = {1990},
  doi = {10.3133/ofr89139},
  url = {https://pubs.usgs.gov/publication/ofr89139},
  note = {Source identifier: ofr89139}
}