@misc{indiciae2584d816552b,
  title = {Shallow P- and S- wave velocities at eleven aftershock recording stations of the Northridge earthquake, San Fernando Valley, California},
  author = {R. A. Williams and W. J. Stephenson and J. K. Odum and D. M. Worley},
  year = {1996},
  doi = {10.3133/ofr96261},
  url = {https://pubs.usgs.gov/publication/ofr96261},
  note = {Source identifier: ofr96261}
}