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) BONNAN M. F.,Were the basal sauropodomorph dinosaurs Plateosaurus and Massospondylus habitual quadrupeds?,Evolution and Palaeobiology of Early Sauropodomorph Dinosaurs,,The Palaeontological Association,2007,,,139-155,https://cir.nii.ac.jp/crid/1574231875766743296,