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Sources:
- Davida, George (24 September 2002). Davida, George; Frankel, Yair; Rees, Owen (eds.). Infrastructure Security: international conference, InfraSec 2002, Bristol, UK, October 1-3, 2002 : proceedings. Springer Science & Business Media. p. 57. ISBN 9783540443094.
- Clercq, Jan De (2 April 2004). Windows Server 2003 security infrastructures. Elsevier Digital Press. p. 318. ISBN 9781555582838.