Ishii, K., W. Liu, Satoshi Shigemura, and K. Shoji. “RELATIONSHIP BETWEEN LIQUEFACTION STRENGTH OF SAND WITH FINE FRACTION AND VARIOUS VOID RATIOS”. GEOMATE Journal, vol. 22, no. 91, Mar. 2022, pp. 1-7, https://geomatejournal.com/geomate/article/view/1719.