@misc{indiciae504e21958bbf,
  title = {Waveform data from aftershocks of the 1990 Upland, California earthquake recorded on a small-aperture seismic array},
  author = {J.J. Mori and Christopher Dietel},
  year = {1991},
  doi = {10.3133/ofr9147},
  url = {https://pubs.usgs.gov/publication/ofr9147},
  note = {Source identifier: ofr9147}
}