00358nam a2200121Ia 4500082002000000100002100020245005100041260003600092300002100128490007700149500000500226700000500231  a519.21bW855.SM  aWolff, Ronald W.  aStochastic modeling and the theory of queuesb  aNew JerseybPrentice-Hallc1989  axix, 556p. Index  aPrentice-Hall International series in Industrial and Systems Engineering  a  a