@inproceedings{SIGMOD-1985-BarbicP,
	author        = "Federico Barbic and Barbara Pernici",
	booktitle     = "{Proceedings of the 15th ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD85/P051.PDF",
	doi           = "10.1145/318898.318902",
	pages         = "51--62",
	publisher     = "{ACM Press}",
	title         = "{Time Modeling in Office Information Systems}",
	year          = 1985,
}