Vulnerability of a Mobile Payment System Proposed at WISA 2002. - SangCheol Hwang; Dong Hoon Lee 002; Daewan Han; Jae-Cheol Ryou 001 (WISA, 2004)

The Improved Risk Analysis Mechanism in the Practical Risk Analysis System. - SangCheol Hwang; Namhoon Lee; Kouichi Sakurai; Joong Gil Park; Jaecheol Ryou 001 (ICOIN, 2005)