@inproceedings{ICALP-v1-2015-BerkholzG,
	author        = "Christoph Berkholz and Martin Grohe",
	booktitle     = "{Proceedings of the 42nd International Colloquium on Automata, Languages, and Programming, Part I}",
	doi           = "10.1007/978-3-662-47672-7_13",
	isbn          = "978-3-662-47671-0",
	pages         = "155--166",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Limitations of Algebraic Approaches to Graph Isomorphism Testing}",
	volume        = 9134,
	year          = 2015,
}