@misc{indiciaee7555fa2f46e,
  title = {Regional Vp, Vs, Vp/Vs, and Poisson's ratios across earthquake source zones from Memphis, Tennessee, to St. Louis, Missouri},
  author = {R. D. Catchings},
  year = {1999},
  doi = {10.1785/bssa0890061591},
  url = {https://pubs.usgs.gov/publication/70021652},
  note = {Source identifier: 70021652}
}