@misc{indiciae589ae0a3570f,
  title = {Wave field features of shallow vertical discontinuity and their application in non-destructive detection},
  author = {J. Liu and J. Xia and Y. Luo and C. Chen and X. Li and Y. Huang},
  year = {2007},
  doi = {10.1016/j.jappgeo.2006.12.001},
  url = {https://pubs.usgs.gov/publication/70029952},
  note = {Source identifier: 70029952}
}