@inproceedings{SLE-2015-KuehnBGA,
	author        = "Thomas Kühn and Stephan Böhme and Sebastian Götz and Uwe Aßmann",
	booktitle     = "{Proceedings of the Eighth International Conference on Software Language Engineering}",
	doi           = "10.1145/2814251.2814255",
	isbn          = "978-1-4503-3686-4",
	pages         = "113--124",
	publisher     = "{ACM}",
	title         = "{A combined formal model for relational context-dependent roles}",
	year          = 2015,
}