TY  - RPRT
TI  - Estimation of ground motion parameters
AU  - David M. Boore
AU  - W. B. Joyner
AU  - A.A. Oliver
AU  - R.A. Page
PY  - 1978
DO  - 10.3133/cir795
UR  - https://pubs.usgs.gov/publication/cir795
ID  - cir795
ER  -