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 "Petersen, Kaj Strand",Late Quaternary environmental changes recorded in the Danish marine molluscan faunas,,Geological Survey of Denmark and Greenland (GEUS),2004,Geological survey of Denmark and Greenland bulletin,,,,https://cir.nii.ac.jp/crid/1130000797716660480