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) VAN BERGEN PF,Organic geochemical studies of soils from the Rothamsted Classical Experiments III. Nitrogen-containing macromolecular moieties in soil organic matter from Geescroft Wilderness,Nitrogen-Containing Macromolecules in the Bio- and Geosphere,,Oxford University Press,1998,,,321-338,https://cir.nii.ac.jp/crid/1570291226772156928,