1981-x-bugau9:
  type: article
  title: "和人地・蝦夷地の境界とその変遷"
  author:
    - "エドモンズ リチャード"
  date: 1981
  serial-number:
    doi: "10.4200/jjhg1948.33.193"
  url: "https://doi.org/10.4200/jjhg1948.33.193"
  language: "ain"
