Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Nishida Hirofumi and Iizuka Atsushi and Ohta Hideki,Applicability of the loading judgment based on viscoplasticity theory to Sekiguchi and Ohta's constitutive model,Proceedings of the Japan National Conference on Geotechnical Engineering,,The Japanese Geotechnical Society,2004,JGS39,0,913-914,https://cir.nii.ac.jp/crid/1390282680575426944,https://doi.org/10.11512/jiban.jgs39.0.913.0