@inproceedings{VLDB-1975-SchmidB,
	author        = "Hans Albrecht Schmid and Philip A. Bernstein",
	booktitle     = "{Proceedings of the First International Conference on Very Large Data Bases}",
	cdrom         = "VLDB75/P202.PDF",
	doi           = "10.1145/1282480.1282496",
	pages         = "202--226",
	publisher     = "{ACM}",
	title         = "{A Multi-Level Architecture for Relational Data Base Systems}",
	year          = 1975,
}