Máté J. Csorba Sándor Palugyai Sarolta Dibuz Gyula Csopaki Performance Analysis of Concurrent PCOs in TTCN-3. 149-160 2006 conf/pts/2006 TestCom http://dx.doi.org/10.1007/11754008_10 db/conf/pts/testcom2006.html#CsorbaPDC06