@misc{indiciaef93b900780eb,
  title = {Multichannel analysis of surface waves},
  author = {C.B. Park and R. D. Miller and J. Xia},
  year = {1999},
  doi = {10.1190/1.1444590},
  url = {https://pubs.usgs.gov/publication/70021640},
  note = {Source identifier: 70021640}
}