@inproceedings{SIGMOD-1985-Gray,
	author        = "Peter M. D. Gray",
	booktitle     = "{Proceedings of the 15th ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD85/P437.PDF",
	doi           = "10.1145/318898.318994",
	pages         = "437--443",
	publisher     = "{ACM Press}",
	title         = "{Efficient Prolog Access to CODASYL and FDM Databases}",
	year          = 1985,
}