著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) XU J.,Mandatory human participation : A new authentication scheme for building secure systems,"Twelfth International Conference on Computer Communications and Networks, Oct. 2003",,IEEE Press,2003,,,,https://cir.nii.ac.jp/crid/1573668925803091200,