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
"Howells, M. F and Leveridge, B. E and Reedman, A. J",Snowdonia,,Unwin Paperbacks,1981,Rocks and fossils,,0045540055,,https://cir.nii.ac.jp/crid/1130282270931856640