著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL
"石, 鳳波",Optimal hostage rescue problem where action can only be taken once : case where effect vanishes thereafter,,University of Tsukuba,2001,Institute of Policy and Planning Sciences discussion paper series,,,,https://cir.nii.ac.jp/crid/1130282271834059392