TY  - RPRT
TI  - Signatures of the seismic source in EMD-based characterization of the 1994 Northridge, California, earthquake recordings
AU  - R.R. Zhang
AU  - S. Ma
AU  - S. Hartzell
PY  - 2003
DO  - 10.1785/0120010285
UR  - https://pubs.usgs.gov/publication/70025971
ID  - 70025971
ER  -