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)
NISHIDA H.,Anatomical studies of a new specimen of Yezopteris polycycloides Ogura from the Upper Cretaceous of Hokkaido,Journal of Japanese Botany,,,1981,56,,169-180,https://cir.nii.ac.jp/crid/1570854175237293696,