1. N. Abdalla, R.J. Boucherie, Blocking Probabilities in Mobile Communications Networks with Tim-Varying Rates and Redialing Subscribers, Department of Applied Mathematics Internal Reports, University of Twente, The Netherlands, 1596, 2001.
2. K.A. Alnowibet, Nonstationary Loss Queues and Networks, PhD Thesis, NC State University, 2004. .
3. Nonstationary analysis of circuit-switched communication networks;Alnowibet;Performance Evaluation Journal,2006
4. K.N. Alnowibet, H.G. Perros, The nonstationary queue: A survey, in: J. Barria (Ed.), Communications and Computer Systems: A Tribute to Professor Erol Gelenbe, World Scientific, 2006.
5. The physics of the Mt/G/∞ queue;Eick;Operations Research,1993