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 "Schmied, Josef J.",English in East and Central Africa,,"Eckhard Breitinger, Bayreuth University",1989,Bayreuth African studies series,,"392751005X,3927510149",,https://cir.nii.ac.jp/crid/1130000797598481536