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 "Seibel, Hans Dieter and Marx, Michael Thomas",Dual financial markets in Africa : case studies of linkages between informan and formal financial institutions,,Breitenbach,1987,Kölner Beiträge zur Entwicklungsländerforschung = Cologne development studies,,3881563571,,https://cir.nii.ac.jp/crid/1130282269542808704