@inproceedings{VLDB-1975-Burkhard,
	author        = "Walter A. Burkhard",
	booktitle     = "{Proceedings of the First International Conference on Very Large Data Bases}",
	cdrom         = "VLDB75/P523.PDF",
	doi           = "10.1145/1282480.1282534",
	pages         = "523--525",
	publisher     = "{ACM}",
	title         = "{Partial-Match Queries and File Designs}",
	year          = 1975,
}