1. A numerical approach to cyclic-service queueing models;Blanc;Queueing Systems,1990
2. Single server queues with vacations, Stochastic Analysis of Computer and Communication Systems;Doshi,1990
3. Oscillating random walk models for GI/G/1 vacation systems with Bernoulli schedules;Keilson;J. Appl. Prob.,1986
4. Priorities in M/G/1 queue with server vacations;Kella;Naval Research Logistics Quarterly,1988
5. Priority in waiting-line problems, I and II;Kesten,1957