@misc{indiciaeae33d9bcc087,
  title = {Relationships between peak ground acceleration, peak ground velocity, and Modified Mercalli Intensity in California},
  author = {David J. Wald and Vincent Quitoriano and Thomas H. Heaton and Hiroo Kanamori},
  year = {1999},
  doi = {10.1193/1.1586058},
  url = {https://pubs.usgs.gov/publication/70021541},
  note = {Source identifier: 70021541}
}