Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) H Suzuki and F Oka and H Feng and S Kimoto and T Kodaka,A numerical simulation of triaxial tests of unsaturated soil at constant water and air content by using an elasto-viscoplastic model,Unsaturated Soils. Advances in Geo-Engineering,,Taylor & Francis,2008-06-23,,,735-741,https://cir.nii.ac.jp/crid/1363670320626806784,https://doi.org/10.1201/9780203884430.ch99