TY - Journal of Shanghai Jiao Tong University A1 - LIU Su-Na-1, 2 , PAN Li-1, 2 , 3 , YAO Li-Hong-2 T1 - BLP Based Access Control Mechanism in Multi-level Network Systems Y1 - 2012-09-28 JF - Journal of Shanghai Jiaotong University JO - Journal of Shanghai Jiao Tong University SP - 1387 EP - 1391 VL - 46 IS - 09 UR - https://xuebao.sjtu.edu.cn N1 - ER -