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 Great Britain. Ordnance Survey,Ely & Wisbech : Downham Market,,Ordnance Survey,1997,"1:50,000 landranger series",,0319222519,,https://cir.nii.ac.jp/crid/1130282269709558912