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 "Zeven, A. C.",The semi-wild oil palm and its industry in Africa,,"Pudoc, Centre for Agricultural Publications and Documentation",1967,Agricultural research reports,,,,https://cir.nii.ac.jp/crid/1130282270395405568