@inproceedings{PPDP-2009-KaiserL,
	author        = "Markus Kaiser and Ralf Lämmel",
	booktitle     = "{Proceedings of the 11th International Conference on Principles and Practice of Declarative Programming}",
	doi           = "10.1145/1599410.1599423",
	isbn          = "978-1-60558-568-0",
	pages         = "93--104",
	publisher     = "{ACM}",
	title         = "{An Isabelle/HOL-based model of stratego-like traversal strategies}",
	year          = 2009,
}