Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) BISHOP A. W.,Pore Pressure Changes during Shear in Two Undisturbed Clays,Proc. 3^. I.C.S.M.F.E.,,,,,,,https://cir.nii.ac.jp/crid/1570291224196619136,