Security Protective Measures for the Ubiquitous City Integrated Operation Center. - Dong-Hoon Shin; Yunmook Nah; Ik-Seob Lee; Wan S. Yi; Yu-Jae Won (BroadCom, 2008)

Security requirements for the U-city infrastructure. - Ik-Seob Lee; Wan S. Yi; Kyang Jin Park (IADIS AC (2), 2009)