한국우주과학회:학술대회논문집(한국우주과학회보) (Bulletin of the Korean Space Science Society)
- 한국우주과학회 1998년도 한국우주과학회보 제7권1호
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- Pages.28.2-28
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- 1998
The Bureau of Astronomy and Meteorology During King Sejong's Reign Period
- Cho, Seung-Ku (Dept. of Korean Studies, Yonsei University) ;
- Nha, II-Seong (The Nha Astronomical Observatory, Yecheon, Kyongbuk Province)
- 발행 : 1998.10.01