TY  - RPRT
TI  - Earthquake Spectra at 25
AU  - Charles C. Thiel
AU  - James E. Beavers
AU  - Jack P. Moehle
AU  - Roger D. Borcherdt
AU  - Farzad Naeim
AU  - Polat Gulkan
PY  - 2009
DO  - 10.1193/1.3148887
UR  - https://pubs.usgs.gov/publication/70234121
ID  - 70234121
ER  -