@inproceedings{LOPSTR-2003-FlenerPA,
	author        = "Pierre Flener and Justin Pearson and Magnus Ågren",
	booktitle     = "{Revised Selected Papers of the 13th International Symposium on Logic Based Program Synthesis and Transformation}",
	doi           = "10.1007/978-3-540-25938-1_18",
	isbn          = "3-540-22174-3",
	pages         = "214--232",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Introducing esra, a Relational Language for Modelling Combinatorial Problems}",
	volume        = 3018,
	year          = 2003,
}