@inproceedings{LICS-1999-GradelR,
	author        = "Erich Grädel and Eric Rosen",
	booktitle     = "{Proceedings of the 14th Annual IEEE Symposium on Logic in Computer Science}",
	doi           = "10.1109/LICS.1999.782580",
	isbn          = "0-7695-0158-3",
	pages         = "14--23",
	publisher     = "{IEEE Computer Society}",
	title         = "{Two-Variable Descriptions of Regularity}",
	year          = 1999,
}