著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Martin, Robert Eugene",Cranial and bacular variation in populations of spiny rats of the genus Proechimys (Rodentia: Echimyidae) from South America,,Smithsonian Institution Press,1970,Smithsonian contributions to zoology,,,,https://cir.nii.ac.jp/crid/1130000798174606720