@inproceedings{CIAA-2007-Barthelemy,
	author        = "François Barthélemy",
	booktitle     = "{Revised Selected Papers of the 12th International Conference on Implementation and Application of Automata}",
	doi           = "10.1007/978-3-540-76336-9_23",
	isbn          = "978-3-540-76335-2",
	pages         = "243--252",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Multi-grain Relations}",
	volume        = 4783,
	year          = 2007,
}