@inproceedings{SIGMOD-1975-Shoshani,
	author        = "Arie Shoshani",
	booktitle     = "{Proceedings of the Fifth ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD75/P112.PDF",
	doi           = "10.1145/500080.500097",
	pages         = "112--122",
	publisher     = "{ACM}",
	title         = "{A Logical-Level Approach to Data Base Conversion}",
	year          = 1975,
}