@misc{indiciae7421bd00e3d5,
  title = {Program SEISRISK III adapted to personal computers computer file, Part N - BACKUP format, DOS executable module},
  author = {E.P. Arnold},
  year = {1989},
  doi = {10.3133/ofr89557n},
  url = {https://pubs.usgs.gov/publication/ofr89557N},
  note = {Source identifier: ofr89557N}
}