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Bao, Jie; Lee, Chulung; Lee, Loo Hay
Seo, Yoonho; Lee, Chulung; Moon, Chiung
Kim, Kwangsoo; Ryoo, Hong Seo
Ryoo, H. S.; Ehrgott, M.
Ryoo, Hong Seo; Ayyalasomayajula, Premnath
Huang, Huei Chuen; Lee, Chulung; Xu, Zhiyong