@inproceedings{AFL-2011-Umeo,
	author        = "Hiroshi Umeo",
	booktitle     = "{Proceedings of the 13th International Conference on Automata and Formal Languages}",
	isbn          = "978-615-5097-19-5",
	pages         = "368--387",
	title         = "{Recent Developments in Firing Squad Synchronization Algorithms for Two-Dimensional Cellular Automata and Their State-Efficient Implementations}",
	year          = 2011,
}