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 "Krugman, Paul R.",Trade with Japan : has the door opened wider?,,University of Chicago Press,1991,A National Bureau of Economic Research project report,,0226454584,,https://cir.nii.ac.jp/crid/1130000794724657024