@misc{indiciae02a40a465644,
  title = {Seismic refraction profile, Kingdom of Saudi Arabia: field operations, instrumentation, and initial results},
  author = {H. Richard Blank and J. H. Healy and John Roller and Ralph Lamson and Fred Fisher and Robert McClearn and Steve Allen},
  year = {1979},
  doi = {10.3133/ofr791568},
  url = {https://pubs.usgs.gov/publication/ofr791568},
  note = {Source identifier: ofr791568}
}