@misc{indiciaef977cdc9c4e0,
  title = {SUDS; seismic unified data system},
  author = {Peter L. Ward},
  year = {1989},
  doi = {10.3133/ofr89188},
  url = {https://pubs.usgs.gov/publication/ofr89188},
  note = {Source identifier: ofr89188}
}