TY - Computer Engineering A1 - WANG Su-nan; LIU Wei; ZHANG Jia-jie; TAN Man-tang T1 - Research and Design of ACR Access Control Mechanism Y1 - 2007-12-05 JF - Computer Engineering JO - Computer Engineering SP - 240 EP - 242 VL - 33 IS - 23 UR - http://www.ecice06.com N1 - 10.3969/j.issn.1000-3428.2007.23.084 ER -