Christoph Lindemann Axel Thümmler Alexander Klemm Marco Lohmann Oliver P. Waldhorst Performance analysis of time-enhanced UML diagrams based on stochastic processes. 25-34 2002 Workshop on Software and Performance http://doi.acm.org/10.1145/584369.584375 db/conf/wosp/wosp2002.html#LindemannTKLW02