@article{1995yamadatsugarukaikyoainugojidai,
  title = {津軽海峡のアイヌ語時代},
  author = {山田 秀三},
  year = {1995},
  journal = {アイヌ語地名の研究},
  language = {ain},
  url = {https://cir.nii.ac.jp/crid/1572824499842243840}
}