Journal of the Korean Physical Society, 34(4),344-349Won, Y.I., J.K Chung, B.Y. Lee, Y. Kim, J. Kim and J.-B. Kim
Earth Planets and Space, 51,1309-1317Oyama, K.-I., T. Abe, K. Schlegel, A. Nagy, J. Kim, K. Marubashi, T. TakahashiDOI: https://doi.org/10.1186/BF03351604