@inproceedings{FLOPS-2008-CaballeroRV,
	author        = "Rafael Caballero and Mario Rodríguez-Artalejo and Rafael del Vado Vírseda",
	booktitle     = "{Proceedings of the Ninth International Symposium on Functional and Logic Programming}",
	doi           = "10.1007/978-3-540-78969-7_22",
	isbn          = "978-3-540-78968-0",
	pages         = "305--321",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Declarative Diagnosis of Missing Answers in Constraint Functional-Logic Programming}",
	volume        = 4989,
	year          = 2008,
}