@inproceedings{PPDP-2009-FeltyM,
	author        = "Amy P. Felty and Alberto Momigliano",
	booktitle     = "{Proceedings of the 11th International Conference on Principles and Practice of Declarative Programming}",
	doi           = "10.1145/1599410.1599422",
	isbn          = "978-1-60558-568-0",
	pages         = "83--92",
	publisher     = "{ACM}",
	title         = "{Reasoning with hypothetical judgments and open terms in hybrid}",
	year          = 2009,
}