@article{GT-VMT-2006-AutiliP08,
	author        = "Marco Autili and Patrizio Pelliccione",
	doi           = "10.1016/j.entcs.2008.04.037",
	journal       = "{Electronic Notes in Theoretical Computer Science}",
	pages         = "147--157",
	title         = "{Towards a Graphical Tool for Refining User to System Requirements}",
	volume        = 211,
	year          = 2008,
}