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
Sigurður Þórarinsson,The Eruptions of Hekla in historical times : a tephrochronological study,,H.F. Leiftur,1967,Vísindafélag Íslendinga = Societas scientiarum Islandica,,,,https://cir.nii.ac.jp/crid/1130000796961855616