This author has not been identified. Look up 'Soo Chool Lee' in GoogleThis author has not been identified. Look up 'Seong Yeol Kim' in GoogleThis author has not been identified. Look up 'Byung Wook Hwang' in GoogleThis author has not been identified. Look up 'Suk Yong Jung' in GoogleThis author has not been identified. Look up 'Dhanusuraman Ragupathy' in GoogleThis author has not been identified. Look up 'In Sung Son' in GoogleThis author has not been identified. Look up 'Duk Dong Lee' in GoogleThis author has not been identified. Look up 'Jae-Chang Kim' in Google