@misc{indiciae1a52fa97ea00,
  title = {Progress on seismic zonation in the San Francisco Bay region: Introduction and summary},
  author = {Earl E. Brabb and Roger D. Borcherdt},
  year = {1978},
  url = {https://pubs.usgs.gov/publication/70234310},
  note = {Source identifier: 70234310}
}