TY  - RPRT
TI  - An alternative approach to characterize nonlinear site effects
AU  - R.R. Zhang
AU  - S. Hartzell
AU  - J. Liang
AU  - Y. Hu
PY  - 2005
DO  - 10.1193/1.1853390
UR  - https://pubs.usgs.gov/publication/70029124
ID  - 70029124
ER  -