@CONFERENCE\{IMM2003-01763, author = "A. Harrington and C. D. Jensen", title = "Cryptographic Access Control in a Distributed File System", year = "2003", month = "jun", pages = "158-165", booktitle = "8th {ACM} Symposium on Access Control Models and Technologies", volume = "", series = "", editor = "", publisher = "", organization = "", address = "Como, Italy", url = "http://www2.compute.dtu.dk/pubdb/pubs/1763-full.html" }