@misc{indiciaec627f46a4a31,
  title = {Effects of local geology on ground motion in the San Francisco Bay region, California: A continued study},
  author = {James F. Gibbs and Roger D. Borcherdt},
  year = {1974},
  doi = {10.3133/ofr74222},
  url = {https://pubs.usgs.gov/publication/ofr74222},
  note = {Source identifier: ofr74222}
}