@inproceedings{oai:u-ryukyu.repo.nii.ac.jp:02007347,
 author = {Izumi, Keitoku and 泉, 惠得 and 泉, 恵得},
 month = {Aug},
 note = {INTERNATIONAL CONGRESS OF VOICE TEACHERS 6TH CONFERENCE / VANCOUVER, AUGUST 11-15, 2005, 論文},
 pages = {1--5},
 publisher = {The National Association of Teachers of Singing and the Vancouver/Victoria Chapters},
 title = {The Originality and Great Variety of Ryukyuan Music},
 year = {2005}
}