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 "Kheir, Omer Mohamed","Hydrogeology of Dongola area, northern Sudan",,D. Reimer,1986,Berliner geowissenschaftliche Abhandlungen,,3496003316,,https://cir.nii.ac.jp/crid/1130282269098391168