@misc{indiciae0b0163e5192d,
  title = {Regional correlations of V S 30 averaged over depths less than and greater than 30 meters},
  author = {David M. Boore and Eric M. Thompson and Heloise Cadet},
  year = {2011},
  doi = {10.1785/0120110071},
  url = {https://pubs.usgs.gov/publication/70041866},
  note = {Source identifier: 70041866}
}