@book{han-nom-d8-ydh2-kv91,
  title = {Toản thuật chư vận niên chi khí tập 纂述諸運年之氣集},
  author = {Đặng-xuân-Bang},
  url = {https://www.viet-dien.com/t/han-nom-d8-ydh2-kv91/6},
  pages = {6},
  note = {held by Columbia University Libraries},
  urldate = {2026-09-11},
}