@inproceedings{QAPL-2012-Bernardo,
	author        = "Marco Bernardo",
	booktitle     = "{Proceedings of the 10th Workshop on Quantitative Aspects of Programming Languages and Systems}",
	doi           = "10.4204/EPTCS.85.9",
	pages         = "122--136",
	series        = "{EPTCS}",
	title         = "{Weak Markovian Bisimulation Congruences and Exact CTMC-Level Aggregations for Concurrent Processes}",
	volume        = 85,
	year          = 2012,
}