A unified reference model for CGM/CGI and its implementation. - Nakhoon Baek; Seung Ryol Maeng (Comput. Stand. Interfaces, 1997)

A Z-map update method for linearly moving tools. - Seung Ryol Maeng; Nakhoon Baek; Sung Yong Shin; Byoung Kyu Choi (Comput. Aided Des., 2003)

A Fast NC Simulation Method for Circularly Moving Tools in the Z-Map Environment. - Seung Ryol Maeng; Nakhoon Baek; Sung Yong Shin; Byoung Kyu Choi (GMP, 2004)