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
"Helmer, Paul",The Mass of St. James : solemn mass for the feast of the passion of St. James of Compostela according to the Codex Calixtinus,,Institute of Mediaeval Music,1988,Wissenschaftliche Abhandlungen = Musicological studies,,0931902584,,https://cir.nii.ac.jp/crid/1130282270409990144