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) Shingo Matsumoto and Noriharu Ae and Toshikazu Matsumoto,Extraction of Soil Organic Nitrogen by Organic Acids and Role in Mineralization of Nitrogen in Soil,Soil science & plant nutrition,00380768,Tokyo : Japanese Society of Soil Science and Plant Nutrition,2005-06,51,3,425-430,https://cir.nii.ac.jp/crid/1524232505587800832,