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 "Hughes, Christopher Paul","The Ordovician trilobite faunas of the Builth-Llandrindod Inlier, Central Wales",,British Museum (Natural History),1969,Bulletin of the British Museum (Natural History),,,,https://cir.nii.ac.jp/crid/1130000797153375488