TY  - RPRT
TI  - Liquefaction potential index: Field assessment
AU  - S. Toprak
AU  - T.L. Holzer
PY  - 2003
DO  - 10.1061/(asce)1090-0241(2003)129:4(315)
UR  - https://pubs.usgs.gov/publication/70025796
ID  - 70025796
ER  -