@inproceedings{PPDP-2012-Martin-MartinR,
	author        = "Enrique Martin-Martin and Juan Rodríguez-Hortalá",
	booktitle     = "{Proceedings of the 14th International Conference on Principles and Practice of Declarative Programming}",
	doi           = "10.1145/2370776.2370793",
	isbn          = "978-1-4503-1522-7",
	pages         = "127--138",
	publisher     = "{ACM}",
	title         = "{Transparent function types: clearing up opacity}",
	year          = 2012,
}