``The {Flask Security Architecture: System Support for Diverse Security Policies}'' by Ray Spencer, Stephen Smalley, Peter Loscocco, Mike Hibler, David Andersen, and Jay Lepreau. In Proc. 8th USENIX Security Symposium, (Washington, DC), Aug. 1999.

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BibTeX entry:

@inproceedings{Spencer+:usenix-sec99,
   author = {Ray Spencer and Stephen Smalley and Peter Loscocco and Mike
	Hibler and David Andersen and Jay Lepreau},
   title = {{The {Flask} Security Architecture: System Support for Diverse
	Security Policies}},
   booktitle = {{Proc. 8th USENIX Security Symposium}},
   address = {{Washington, DC}},
   month = aug,
   year = {1999}
}