1. Fundamentals of Queueing Theory;Gross,1985
2. The output of a queueing system;Burke;Opns Res.,1956
3. The output of an M/D/1 queue;Pack;Opns Res.,1975
4. A note on the departure process form an M/PH/1 queue;Rao;SCIMA,1985
5. The Single Server Queue;Cohen,1969