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
"Callmer, Johan","Trade beads and bead trade in Scandinavia, ca. 800 - 1000 A.D",,"Habelt,CWK Gleerup",1977,Acta archaeologica Lundensia,,9140044661,,https://cir.nii.ac.jp/crid/1130282269922494592