@article{2001xonthehistoricalrelationshipofthepitchaccent,
  title = {On the Historical Relationship of the Pitch Accent System of Hokkaido Ainu and the Vowel Length System of Sakhalin Ainu(1)-A Preliminary Study toward the Solution of the Historico-Phonological Relationship of Hokkaido Ainu and Sakhalin Ainu-},
  year = {2001},
  language = {ain}
}