@misc{indiciaea2badca8a424,
  title = {Near-Surface Shear Wave Velocity Versus Depth Profiles, VS30, and NEHRP Classifications for 27 Sites in Puerto Rico},
  author = {Jack K. Odum and Robert A. Williams and William J. Stephenson and David M. Worley and Christa von Hillebrandt-Andrade and Eugenio Asencio and Harold Irizarry and Antonio Cameron},
  year = {2007},
  doi = {10.3133/ofr20071174},
  url = {https://pubs.usgs.gov/publication/ofr20071174},
  note = {Source identifier: ofr20071174}
}