@inproceedings{VLDB-1990-HardjonoS,
	author        = "Thomas Hardjono and Jennifer Seberry",
	booktitle     = "{Proceedings of the 16th International Conference on Very Large Data Bases}",
	ee            = "http://www.vldb.org/conf/1990/P050.PDF",
	isbn          = "1-55860-149-X",
	pages         = "50--58",
	publisher     = "{Morgan Kaufmann}",
	title         = "{Search Key Substitution in the Encipherment of B-Trees}",
	year          = 1990,
}