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 "Halpern, László and Székely, István",Export supply and import demand in Hungary : an econometric analysis for 1968-1989,,Centre for Economic Policy Research,1992,Discussion paper series,,,,https://cir.nii.ac.jp/crid/1130000794170521216