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,Okehampton and North Dartmoor,,Ordnance Survey,1996,"1:50,000 landranger series",,0319222373,,https://cir.nii.ac.jp/crid/1130282270373126528