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) Burney J. Le Boeuf and Richard M. Laws,One. Elephant seals: an introduction to the genus,Elephant Seals,,University of California Press,1994-12-31,,,1-26,https://cir.nii.ac.jp/crid/1360011144968552320,https://doi.org/10.1525/9780520328150-003