1. H. Bruneel and B. G. Kim, Discrete-Time Models for Communication Systems Including ATM, Kluwer Academic Publishers, Massachusetts, 1993.
2. M. E. Woodward, Communication and Computer Networks: Modelling with Discrete-Time Queues, Los Alamitos, CA: California IEEE Computer Society Press, 1994.
3. H. Takagi, Queueing Analysis: A Foundation of Performance Evaluation. Vol. 3. Discrete-Time Systems, North-Holland Publishing, Amsterdam, 1993.
4. J. J. Hunter, Mathematical Techniques of Applied Probability, Vol. II, Discrete Time Models: Techniques and Applications, Academic Press, New York, 1983.
5. U. Chatterjee and S. P. Mukerjee, GI/M/1 queue with server vacations, Journal of the Operational Research Society, 1990, 41: 83–87.