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) Kentaro Izumi,"Utility of Geochemical Analysis of Trace Fossils: Case Studies UsingPhycosiphon incertumfrom the Lower Jurassic Shallow-Marine (Higashinagano Formation, Southwest Japan) and Pliocene Deep-Marine Deposits (Shiramazu Formation, Central Japan)",Ichnos,1042-0940,Informa UK Limited,2014-01-02,21,1,62-72,https://cir.nii.ac.jp/crid/1360004234206833408,https://doi.org/10.1080/10420940.2013.877008