@inproceedings{SIGMOD-1994-KuhnTS,
	author        = "Eva Kühn and Thomas Tschernko and Konrad Schwarz",
	booktitle     = "{Proceedings of the 24th ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD94/P509.PDF",
	doi           = "10.1145/191839.191963",
	pages         = "509",
	publisher     = "{ACM Press}",
	title         = "{A Language Based Multidatabase System}",
	year          = 1994,
}