@inproceedings{FoSSaCS-2008-GruberJ,
	author        = "Hermann Gruber and Jan Johannsen",
	booktitle     = "{Proceedings of the 11th International Conference on Foundations of Software Science and Computation Structures}",
	doi           = "10.1007/978-3-540-78499-9_20",
	isbn          = "978-3-540-78497-5",
	pages         = "273--286",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Optimal Lower Bounds on Regular Expression Size Using Communication Complexity}",
	volume        = 4962,
	year          = 2008,
}