@misc{indiciae9da47c76585f,
  title = {User's manual for SIMULPS12 for imaging vp and vp/vs; a derivative of the "Thurber" tomographic inversion SIMUL3 for local earthquakes and explosions},
  author = {J.R. Evans and Donna Eberhart-Phillips and C.H. Thurber},
  year = {1994},
  doi = {10.3133/ofr94431},
  url = {https://pubs.usgs.gov/publication/ofr94431},
  note = {Source identifier: ofr94431}
}