@inproceedings{PDCL-2004-LauO,
	author        = "Kung-Kiu Lau and Mario Ornaghi",
	booktitle     = "{Program Development in Computational Logic: A Decade of Research Advances in Logic-Based Program Development}",
	doi           = "10.1007/978-3-540-25951-0_1",
	isbn          = "3-540-22152-2",
	pages         = "1--29",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Specifying Compositional Units for Correct Program Development in Computational Logic}",
	volume        = 3049,
	year          = 2004,
}