@book{ndx13ex6d1,
  title = {ヤイカテカル;ユ-カラ 樺太アイヌ恋慕歌;樺太アイヌ小歌},
  language = {ain},
  url = {https://ndlsearch.ndl.go.jp/books/R100000002-I000008883250}
}