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)
RAY CE.,Fusion of cervical vertebrae in the Erethizontidae and Dinomyidae,Breviora Mus Comp Zool,,,1958,97,,1-11,https://cir.nii.ac.jp/crid/1573387450495975552,