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) ,Component-oriented reliability analysis and optimal version-upgrade problems for open source software,Journal of Software 3,,,2008,,,1-8,https://cir.nii.ac.jp/crid/1010000782450091787,