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 "Archer, A. A.","Geology of the South Wales coalfield : the Upper Carboniferous and later formations of the Gwendraeth Valley and adjoining areas in parts of the Carmarthen (229), Ammanford (230) and Worms Head (246) sheets",,H.M.S.O.,1968,Memoirs of the geological survey of Great Britain,,,,https://cir.nii.ac.jp/crid/1130282273027357184