@misc{indiciaeca74e79fb887,
  title = {A method for estimating the uncertainty of seismic velocities measured by refraction techniques},
  author = {Roger D. Borcherdt and J. H. Healy},
  year = {1968},
  doi = {10.1785/bssa0580061769},
  url = {https://pubs.usgs.gov/publication/70233751},
  note = {Source identifier: 70233751}
}