@misc{indiciaee544384a5306,
  title = {Shear wave velocity structure in North America from large-scale waveform inversions of surface waves},
  author = {D. Alsina and R.L. Woodward and R.K. Snieder},
  year = {1996},
  doi = {10.1029/96jb00809},
  url = {https://pubs.usgs.gov/publication/70018939},
  note = {Source identifier: 70018939}
}