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
"Tesfaye Teklu and Von Braun, Joachim and Zaki, Elsayed Ali Ahmed",Drought and famine relationships in Sudan : policy implications,,International Food Policy Research Institute,1991,Research report,,0896290913,,https://cir.nii.ac.jp/crid/1130000798338476672