著者名,タイトル,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Shi-igai,On the hydrodynamical drag coefficient of trees.,"Nagare [J. Jpn Soc. Fluid Mech.],",,,1993,12,,11–19,https://cir.nii.ac.jp/crid/1371695770171340937,