@article{DLT-J-2007-BertoniR08,
	author        = "Alberto Bertoni and Roberto Radicioni",
	doi           = "10.1142/S0129054108005796",
	journal       = "{International Journal of Foundations of Computer Science}",
	number        = 3,
	pages         = "497--511",
	publisher     = "{World Scientific}",
	title         = "{Approximating the Mean Speedup in Trace Monoids}",
	volume        = 19,
	year          = 2008,
}