@misc{indiciaeac4c9cd83bb5,
  title = {Compressional and shear-wave velocity versus depth relations for common rock types in northern California},
  author = {T.M. Brocher},
  year = {2008},
  doi = {10.1785/0120060403},
  url = {https://pubs.usgs.gov/publication/70032163},
  note = {Source identifier: 70032163}
}