Title: Kugyŏk Koedam yugo /
Authors: Pae, Sang-yŏl, 1759-1789,; Pak, Kwŏn-su, 1968-; Sŏ, Tae-wŏn,; Nam, Kyŏng-uk,
Year: 2014
Subjects: Yi jing; Neo-Confucianism Korea.; Astronomy Korea Early works to 1800.
Contents: Toksŏ ch'arok -- Tohak yukto -- Yŏksŏl chedo -- Ki sambaekhae.