Víctor A. Braberman Jorge Lucángeli Obes Alfredo Olivero Fernando Schapachnik Hypervolume Approximation in Timed Automata Model Checking. 69-81 2007 conf/formats/2007 FORMATS http://dx.doi.org/10.1007/978-3-540-75454-1_7 db/conf/formats/formats2007.html#BrabermanOOS07