@inproceedings{STOC-2014-GroheKS,
	author        = "Martin Grohe and Stephan Kreutzer and Sebastian Siebertz",
	booktitle     = "{Proceedings of the 46th Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/2591796.2591851",
	isbn          = "978-1-4503-2710-7",
	pages         = "89--98",
	publisher     = "{ACM}",
	title         = "{Deciding first-order properties of nowhere dense graphs}",
	year          = 2014,
}