TY  - RPRT
TI  - Hilbert-Huang transform analysis of dynamic and earthquake motion recordings
AU  - R.R. Zhang
AU  - S. Ma
AU  - E. Safak
AU  - S. Hartzell
PY  - 2003
DO  - 10.1061/(asce)0733-9399(2003)129:8(861)
UR  - https://pubs.usgs.gov/publication/70025792
ID  - 70025792
ER  -