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) Li Xue and Akio Hagihara,Density effects on organs in self-thinning Pinus densiflora Sieb. et Zucc. stands,Ecological research,09123814,Tokyo : Springer Japan,2008-07,23,4,689-695,https://cir.nii.ac.jp/crid/1524232505394704000,