TY  - RPRT
TI  - Program and plans of the U.S. Geological Survey for producing information needed in National Seismic hazards and risk assessment, fiscal years 1980-84
AU  - Walter W. Hays
PY  - 1979
DO  - 10.3133/cir816
UR  - https://pubs.usgs.gov/publication/cir816
ID  - cir816
ER  -