TY - RPRT TI - Shear wave velocity investigation of soil liquefaction sites from the Tangshan, China M7.8 earthquake of 1976 using active and passive surface wave methods AU - Robert E Kayen AU - Xiaxin Tao AU - Lijing Shi AU - Hailiang Shi PY - 2008 UR - https://pubs.usgs.gov/publication/70123994 ID - 70123994 ER -