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) Neil H. Landman and Stijn Goolaerts and John W.M. Jagt and Elena A. Jagt-Yazykova and Marcin Machalski and Margaret M. Yacobucci,Ammonite extinction and nautilid survival at the end of the Cretaceous,Geology,0091-7613,Geological Society of America,2014-08,42,8,707-710,https://cir.nii.ac.jp/crid/1364233268764744192,https://doi.org/10.1130/g35776.1