1Ravi Sandhu, Venkata Bhamidipati, Qamar Munaver. The ARBAC96 model for role - Based administration of roles[ J] . ACM Transactions on Information and System Security, 1999,2(1 ):105- 153.
2Jhoffman. Implementing RBAC on a type enforced system [ C ] . Procofthe13th Annual Computer Security Application Conf(AC'96 ), 1996.158- 163.
