TY  - RPRT
TI  - Evaluation of the cone penetrometer for liquefaction hazard assessment
AU  - Geoffrey R. Martin
AU  - Bruce J. Douglas
PY  - 1981
DO  - 10.3133/ofr81284
UR  - https://pubs.usgs.gov/publication/ofr81284
ID  - ofr81284
ER  -