Song, X., & Helmberger, D. V. (1997). Northridge Aftershocks, a Source Study with TERRAscope Data. Bulletin of the Seismological Society of America, 87(4), 1024-1034. SCEC Contribution 341
Song, X., & Helmberger, D. V. (1996). Source Estimation of Finite Faults from Broadband Regional Networks. Bulletin of the Seismological Society of America, 86(3), 797-804. SCEC Contribution 664
Song, X., Jones, L. E., & Helmberger, D. V. (1995). Source Characteristics of the 17 January 1994 Northridge, California, Earthquake from Regional Broadband Modeling. Bulletin of the Seismological Society of America, 85(6), 1591-1603. SCEC Contribution 663