@inproceedings{OOPSLA-2001-Visser,
	author        = "Joost Visser",
	booktitle     = "{Proceedings of the 16th Conference on Object-Oriented Programming, Systems, Languages and Applications}",
	doi           = "10.1145/504282.504302",
	editor        = "Linda M. Northrop and John M. Vlissides",
	isbn          = "1-58113-335-9",
	pages         = "270--282",
	publisher     = "{ACM}",
	title         = "{Visitor Combination and Traversal Control}",
	year          = 2001,
}