@inproceedings{PPDP-2009-DvorakGPW,
	author        = "Wolfgang Dvorák and Georg Gottlob and Reinhard Pichler and Stefan Woltran",
	booktitle     = "{Proceedings of the 11th International Conference on Principles and Practice of Declarative Programming}",
	doi           = "10.1145/1599410.1599419",
	isbn          = "978-1-60558-568-0",
	pages         = "61--72",
	publisher     = "{ACM}",
	title         = "{Alternation as a programming paradigm}",
	year          = 2009,
}