Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL "Gawronski, Pier Giorgio and Reisen, Helmut and Organisation for Economic Co-operation and Development. Development Centre",Optimal currency composition of foreign debt : the cases of five developing countries,,Organisation for Economic Co-operation and Development. Development Centre,1990,Technical papers,,,,https://cir.nii.ac.jp/crid/1130000794024606208