[{"id":"2009-x-1yky1n4","type":"article-journal","title":"アイヌ英雄叙事詩成立過程の時間層","author":[{"literal":"中川 裕"}],"container-title":"口承文芸研究 32","issued":{"date-parts":[[2009]]},"URL":"https://cir.nii.ac.jp/crid/1010282257419261698","language":"ain"}]