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 "Shaxson, Francis and Food and Agriculture Organization of the United Nations",New concepts and approaches to land management in the tropics with emphasis on steeplands,,Food and Agriculture Organization of the United Nations,1999,FAO soils bulletin,,9251043191,,https://cir.nii.ac.jp/crid/1130282269709219584