@misc{indiciaed29e60bcdbf7,
  title = {In-situ measurements of seismic velocities in the San Francisco Bay region...Part II},
  author = {James F. Gibbs and Thomas E. Fumal and Roger D. Borcherdt},
  year = {1976},
  doi = {10.3133/ofr76731},
  url = {https://pubs.usgs.gov/publication/ofr76731},
  note = {Source identifier: ofr76731}
}