@misc{indiciae64aa34e8d9f9,
  title = {Seismic velocities and geological conditions at twelve sites subjected to strong ground motion in the 1994 Northridge, California, earthquake; a revision of OFR 96-740},
  author = {J. F. Gibbs and J. C. Tinsley and D.M. Boore and W. B. Joyner},
  year = {1999},
  doi = {10.3133/ofr99446},
  url = {https://pubs.usgs.gov/publication/ofr99446},
  note = {Source identifier: ofr99446}
}