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 "Harper, David A.T. and Owen, Alan W.",Fossils of the upper Ordovician,,Palaeontological Association,1996,Palaeontological Association field guides to fossils,,0901702579,,https://cir.nii.ac.jp/crid/1130282271777551872