@misc{indiciaec6d970694aaf,
  title = {In-situ measurements of seismic velocity at 19 locations in the Los Angeles, California, region},
  author = {Thomas E. Fumal and James F. Gibbs and Edward F. Roth},
  year = {1981},
  doi = {10.3133/ofr81399},
  url = {https://pubs.usgs.gov/publication/ofr81399},
  note = {Source identifier: ofr81399}
}