TY  - RPRT
TI  - Delineation of a collapse feature in a noisy environment using a multichannel surface wave technique
AU  - J. Xia
AU  - C. Chen
AU  - P.H. Li
AU  - M.J. Lewis
PY  - 2004
DO  - 10.1680/geot.54.1.17.36326
UR  - https://pubs.usgs.gov/publication/70027083
ID  - 70027083
ER  -