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 "Edwards, K. A. and Classen, G. A. and Schroten, E. H. J.",The water resource in tropical Africa and its exploitation,,International Livestock Centre for Africa,1983,ILCA research report,,929053043X,,https://cir.nii.ac.jp/crid/1130282270553262848