@misc{indiciaef42d5af7f282,
  title = {Seismic velocities and geologic logs at seven strong-motion stations that recorded the 1989 Loma Prieta, California, earthquake; Part IV},
  author = {James F. Gibbs and Thomas E. Fumal},
  year = {1994},
  doi = {10.3133/ofr94552},
  url = {https://pubs.usgs.gov/publication/ofr94552},
  note = {Source identifier: ofr94552}
}