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 "Bisserov Sisters and Quartette Slavei and Karadjova, Nadka and Kostov, Stefan",Bulgarian polyphony,,JVC,1992,JVC world sounds,,,,https://cir.nii.ac.jp/crid/1130282269062436736