@article{CIAA-J-2010-EsikM11,
	author        = "Zoltán Ésik and Andreas Maletti",
	doi           = "10.1142/S0129054111009070",
	journal       = "{International Journal of Foundations of Computer Science}",
	number        = 8,
	pages         = "1845--1859",
	publisher     = "{World Scientific}",
	title         = "{The Category of Simulations for Weighted Tree Automata}",
	volume        = 22,
	year          = 2011,
}