A DLL based 10-320 MHz clock synchronizer. - Sung-Sik Hwang; Ki-Mo Joo; Ho-Jin Park; Jae-Whui Kim; Philip Chung 003 (ISCAS, 2000)

CRAS-CBR: Internal control risk assessment system using case-based reasoning. - Sung-Sik Hwang; Taeksoo Shin; Ingoo Han (Expert Syst. J. Knowl. Eng., 2004)