@misc{indiciaeef06ab97c4e5,
  title = {Worldwide Assessment of the Status of Seismic Zonation, Fourth International Forum on Seismic Zonation, Proceedings},
  author = {W. W. Hays},
  year = {1994},
  doi = {10.3133/ofr94424},
  url = {https://pubs.usgs.gov/publication/ofr94424},
  note = {Source identifier: ofr94424}
}