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 "Sandström, Emil and Jägerskog, Anders and Oestigaard, Terje",Land and hydropolitics in the Nile River basin : challenges and new investments,,Routledge,2018,Earthscan studies in water resource management,,9780367029692,,https://cir.nii.ac.jp/crid/1130000798001561856