@book{han-nom-d8-0wgv-j176,
  title = {Địa lý quyển 地理卷},
  url = {https://viet-dien.com/t/han-nom-d8-0wgv-j176/22},
  pages = {22},
  note = {held by Columbia University Libraries},
  urldate = {2026-09-26},
}