TY  - BOOK
AU  - Porcella,Ronald L.
AU  - Switzer,Josephine C.
ED  - Geological Survey (U.S.)
TI  - Catalogue of U.S. Geological Survey strong-motion records
U1  - 551.220973021 
PY  - 1989///
CY  - Washington
PB  - Dept. of the Interior, U.S. Geological Survey
KW  - Seismometry
KW  - Earthquake intensity
KW  - United States
KW  - Statistics
KW  - Verenigde Staten
KW  - gtt
ER  -