A Study of the 1668 Deungrok, Records of Celestial Phenomena from the Joseon Dynasty
소개글Author: Nha Il-Seong, Hong Yoon, Ahn Nami
Organization: Nha Il-Seong; Hong Yoon; Ahn Nami
Publish: Journal of Astronomy and Space Sciences Volume 29, Issue2, p209~220, 15 June 2012
