著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) BLACKMORE B. S.,Understanding Variability in Four Fields in the UK,"Proceedings of 4th International Conference on Precision Agriculture, MN",,ASA,1998,,,3-18,https://cir.nii.ac.jp/crid/1570854174340525312,