@misc{indiciae682d5404d701,
  title = {Source characteristics of the Loma Prieta, California, Earthquake of October 18, 1989 from global digital seismic data},
  author = {George Choy and John Boatwright},
  year = {2012},
  doi = {10.1029/gl017i008p01183},
  url = {https://pubs.usgs.gov/publication/70242142},
  note = {Source identifier: 70242142}
}