@inproceedings{LOPSTR-2011-MoralesHH,
	author        = "José F. Morales and Manuel V. Hermenegildo and Rémy Haemmerlé",
	booktitle     = "{Revised Selected Papers of the 21st International Symposium on Logic-Based Program Synthesis and Transformation}",
	doi           = "10.1007/978-3-642-32211-2_10",
	isbn          = "978-3-642-32210-5",
	pages         = "139--154",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Modular Extensions for Modular (Logic) Languages}",
	volume        = 7225,
	year          = 2011,
}