Qian Zhang Xingzhong Xu Confidence Intervals of Performance Measures for an <i>M</i>/<i>G</i>/1 Queueing System. 501-516 2010 39 Communications in Statistics - Simulation and Computation 3 http://dx.doi.org/10.1080/03610910903484232 db/journals/cssc/cssc39.html#ZhangX10