천문학회보 (The Bulletin of The Korean Astronomical Society)
- 제5권
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- Pages.14.1-14.1
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- 1980
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- 1226-2692(pISSN)
DAILY SUNSPOT OBSERVATIONS AT SOBAEKSAN OBSERVING STATION IN 1979
- Sim, Kyung-Jin (National Astronomical Observatory) ;
- Yun, Hong-Sik (Seoul National University)
- 발행 : 1980.12.31