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) PETER HÖGBERG and MONA N. HÖGBERG and MAUD E. QUIST and ALF EKBLAD and TORGNY NÄSHOLM,Nitrogen isotope fractionation during nitrogen uptake by ectomycorrhizal and non‐mycorrhizal Pinus sylvestris,New Phytologist,0028-646X,Wiley,1999-06,142,3,569-576,https://cir.nii.ac.jp/crid/1360574093989896832,https://doi.org/10.1046/j.1469-8137.1999.00404.x