著者名,タイトル,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Tobita,A formulation of constitutive equation for granular materials like sand based on slip models and its application,J. JSCE,,,1986,III,5,57,https://cir.nii.ac.jp/crid/1373383603979195904,