@misc{indiciae097a2ade2b24,
  title = {Crustal parameters estimated from P-waves of earthquakes recorded at a small array},
  author = {J.N. Murdock and J.A. Steppe},
  year = {1980},
  doi = {10.1007/bf01593058},
  url = {https://pubs.usgs.gov/publication/70012597},
  note = {Source identifier: 70012597}
}