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 "Duncan, David Ewing",Calendar : humanity's epic struggle to determine a true and accurate year,1st ed,Avon Books,1998,A Bard book,,0380793245,,https://cir.nii.ac.jp/crid/1130282270705836544