TY - RPRT TI - Research on the middle-of-receiver-spread assumption of the MASW method AU - Y. Luo AU - J. Xia AU - J. Liu AU - Y. Xu AU - Q. Liu PY - 2009 DO - 10.1016/j.soildyn.2008.01.009 UR - https://pubs.usgs.gov/publication/70032817 ID - 70032817 ER -