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Author: Nam Uk-Won, Park Won-Kee, Lee Jaejin, Pyo Jeonghyun, Moon Bong-Kon, Lee Dae-Hee, Kim Sunghwan, Jin Ho, Lee Seongwhan, Kim Jungho, Kitamura Hisashi, Uchihori Yukio
Publish: Journal of Astronomy and Space Sciences Volume 32, Issue2, p145~149, 15 June 2015