1. Asymptotics for steady-state tail probabilities in structured markov queueing models
2. and ?Modelling and performance study of packet-traffic with self-similar characteristics over several timescales with Markovian Arrival Processes (MAP),? Nordic Teletraffic Seminar, NTS 12, VTT Symposium 154, Ilkka Norros and Jorma Virtamo (Editors), Espoo, Finland, August 1995, pp. 269-283.
3. and On the time reversal of MAPs, manuscript, 2001.
4. AT&T, On the index of dispersion for counts for user demand modeling, ITU, Madrid, Spain, 27-29 June 1994, Study Group 2, Question 17/2.
5. and The theory of stochastic processes, Chapman and Hall, New York, 1980.