@misc{indiciaefab1d8b95a32,
  title = {Simple equations guide high-frequency surface-wave investigation techniques},
  author = {J. Xia and Y. Xu and C. Chen and R.D. Kaufmann and Y. Luo},
  year = {2006},
  doi = {10.1016/j.soildyn.2005.11.001},
  url = {https://pubs.usgs.gov/publication/70030418},
  note = {Source identifier: 70030418}
}