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
"Nielsen, Svend",Stability in musical improvisation : a repertoire of Icelandic epic songs (rímur),,Kragen,1982,Acta ethnomusicologica Danica,,8798063634,,https://cir.nii.ac.jp/crid/1130282269891442688