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)
POWELL KL,Aboveground counts of black-tailed prairie dogs : temporal nature and relationship to burrow entrance density,J Wildl Manage,,,1994,58,,361-366,https://cir.nii.ac.jp/crid/1571698601335048064,