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 "Wielemaker, W. G. and Boxem, H. W. and Kenya Soil Survey","Soils of the Kisii area, Kenya",,"Centre for Agricultural Publishing and Documentation (Pudoc),Kenya Soil Survey",1982,Agricultural research reports,,9022008169,,https://cir.nii.ac.jp/crid/1130000793906075648