@misc{indiciaedfe5cf55bd9d,
  title = {Borehole velocity measurements and geological conditions at thirteen sites in the Los Angeles, California region},
  author = {James F. Gibbs and J. C. Tinsley and D.M. Boore and W. B. Joyner},
  year = {2000},
  doi = {10.3133/ofr00470},
  url = {https://pubs.usgs.gov/publication/ofr00470},
  note = {Source identifier: ofr00470}
}