TY  - RPRT
TI  - Extracting transient Rayleigh wave and its application in detecting quality of highway roadbed
AU  - J. Liu
AU  - J. Xia
AU  - Y. Luo
AU  - X. Li
AU  - S. Xu
PY  - 2004
UR  - https://pubs.usgs.gov/publication/70026215
ID  - 70026215
ER  -