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) COOPS N. C.,Estimating canopy structure of Douglas-fir forest stands from discrete-return LiDAR,Trees,,,2007,21,,295-310,https://cir.nii.ac.jp/crid/1573105976305167360,