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 "京都大学経済研究所 and 青木, 正彦",Investment planning procedure for an open economy with increasing returns,,"Institute of Economic Research, Kyoto University",1969,Discussion paper series,,,,https://cir.nii.ac.jp/crid/1130282271916148352