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1
East Asian archaeoastronomy : historical records of astronomical observations of China, Japan and Korea /
Published 2000Subjects: “…Astronomy, Ancient China.…”
Book -
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3
Sŏun'gwan ŭi ch'ŏnmun ŭigi : chwap'yo pyŏnhwan, t'uyŏng ironjŏk yŏn'gu /
서운관 의 천문 의기 : 좌표 변환, 투영 이론적 연구 /Published 2017Subjects:Book