[{"id":"2001-anon-historical-relationship-pitch-accent-system","type":"article-journal","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-","issued":{"date-parts":[[2001]]},"language":"ain"}]