Message Rejection and Removal for Short Message Broadcast on Forward Signaling Channels. - Cheon Won Choi; Kyongho Han; Ho-Kyoung Lee (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2002)

Multimodal Security Enhancement Scheme for Java Card. - Yongsang Song; Jongmoo Choi; Kyongho Han (NBiS, 2011)