[{"id":"1981-x-bugau9","type":"article-journal","title":"和人地・蝦夷地の境界とその変遷","author":[{"literal":"エドモンズ リチャード"}],"issued":{"date-parts":[[1981]]},"DOI":"10.4200/jjhg1948.33.193","URL":"https://doi.org/10.4200/jjhg1948.33.193","language":"ain"}]