8I SANDHU R S, COYNE E J, FEINSTEIN H L, et al. Role- Based Access Control Models[J]. IEEE Computer, 1996, 29(2) : 38-47.
9FERRAIOLO D F, SANDHU R, GAVRILA S, et al. Proposed NIST Standard for Role-based Access Control[J]. ACM Transactions on Information and System Security (TISSEC). 2001, 4(3): 224-274.
10FERRAIOLO D F, KUHN D Richard, CHANDRAMOULI Ramaswamy. Role-Based Access Control[C]. Norwood, MA: Artech House, Inc., 2003.