TY  - RPRT
TI  - Technical problems in the construction of a map to zone the earthquake ground-shaking hazard in the United States
AU  - W. W. Hays
PY  - 1984
DO  - 10.1016/0013-7952(84)90039-5
UR  - https://pubs.usgs.gov/publication/70014062
ID  - 70014062
ER  -