@misc{indiciaea40353863a27,
  title = {Geologic distribution of selected strong-motion accelerograph sites; Part IV},
  author = {B.L. Silverstein},
  year = {1980},
  doi = {10.3133/ofr80473},
  url = {https://pubs.usgs.gov/publication/ofr80473},
  note = {Source identifier: ofr80473}
}