@misc{indiciaea26a990edf9d,
  title = {Coal-seismic, desk-top computer program in BASIC; Part 3, Compute, tabulate, and plot normal moveout times},
  author = {W.P. Hasbrouck},
  year = {1980},
  doi = {10.3133/ofr80670},
  url = {https://pubs.usgs.gov/publication/ofr80670},
  note = {Source identifier: ofr80670}
}