@inproceedings{ESOP-1998-Ruggieri,
	author        = "Salvatore Ruggieri",
	booktitle     = "{Proceedings of the Seventh European Symposium on Programming}",
	doi           = "10.1007/BFb0053574",
	editor        = "Chris Hankin",
	isbn          = "3-540-64302-8",
	pages         = "236--251",
	publisher     = "{Springer-Verlag}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{A Complete Declarative Debugger of Missing Answers}",
	volume        = 1381,
	year          = 1998,
}