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 "East, R. (Rod) and International Union for Conservation of Nature and Natural Resources. Antelope Specialist Group",African antelope database 1998,,IUCN Species Survival Commission,1999,Occasional papers of the IUCN Species Survival Commission (SSC) = Documents occasionnels de la Commission de la sauvegarde des espèces (SSC),,2831704774,,https://cir.nii.ac.jp/crid/1130282269068965504