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
"Van Vegten, J. A. (Jan A.)",Some aspects of African ecology with special reference to Botswana,,University College of Botswana,1979,Working paper,,,,https://cir.nii.ac.jp/crid/1130282269638973440