@inproceedings{PDCL-2004-MartinK,
	author        = "Jonathan C. Martin and Andy King",
	booktitle     = "{Program Development in Computational Logic: A Decade of Research Advances in Logic-Based Program Development}",
	doi           = "10.1007/978-3-540-25951-0_13",
	isbn          = "3-540-22152-2",
	pages         = "432--452",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{On the Inference of Natural Level Mappings}",
	volume        = 3049,
	year          = 2004,
}