@misc{indiciae9ff221d8d5c0,
  title = {Joint inversion for Vp, Vs, and Vp/Vs at SAFOD, Parkfield, California},
  author = {H. Zhang and C. Thurber and P. Bedrosian},
  year = {2009},
  doi = {10.1029/2009gc002709},
  url = {https://pubs.usgs.gov/publication/70035851},
  note = {Source identifier: 70035851}
}