TY  - RPRT
TI  - Worldwide Assessment of the Status of Seismic Zonation, Fourth International Forum on Seismic Zonation, Proceedings
AU  - W. W. Hays
PY  - 1994
DO  - 10.3133/ofr94424
UR  - https://pubs.usgs.gov/publication/ofr94424
ID  - ofr94424
ER  -