引用本文: | 彭怀军, 刘云. 客票系统延伸服务信息安全模型的研究[J]. 铁路计算机应用, 2006, 15(6): 15-18. |
Citation: | PENG Huai-jun, LIU Yun. Study of Information Security Model for Extended Services of China Railway Ticketing and Reservation System[J]. Railway Computer Application, 2006, 15(6): 15-18. |