@misc{indiciaeb731fadf76bc,
  title = {A program for calculating and plotting uranium-lead concordia-discordia intercepts using the Hewlett-Packard series 80 personal computers and HP-7470A graphic plotter},
  author = {J.J. Brice},
  year = {1984},
  doi = {10.3133/ofr84478},
  url = {https://pubs.usgs.gov/publication/ofr84478},
  note = {Source identifier: ofr84478}
}