@inproceedings{CIAA-2017-BerglundMWW,
	author        = "Martin Berglund and Brink van der Merwe and Bruce W. Watson and Nicolaas Weideman",
	booktitle     = "{Proceedings of the 22nd International Conference on Implementation and Application of Automata}",
	doi           = "10.1007/978-3-319-60134-2_2",
	isbn          = "['978-3-319-60133-5', '978-3-319-60134-2']",
	pages         = "14--26",
	publisher     = "{Springer}",
	title         = "{On the Semantics of Atomic Subgroups in Practical Regular Expressions}",
	year          = 2017,
}