1. S. Asmussen, M. Bladt, Point processes with finite-dimensional probabilities. Stoch. Processes Appl. 82(1), 127–142 (1999)
2. S. Asmussen, C. O’Cinneide, Matrix-Exponential Distributions (Wiley, New York, 2004)
3. S. Asmussen, O. Haggström, O. Nerman, EMPHT - a program for fitting phase-type distributions, in Studies in Statistical Quality Control and Reliability, Mathematical Statistics) (Chalmers University and University of Göteborg, Göteborg, 1992)
4. D. Bini, B. Meini, S. Steffé, B. Van Houdt, Structured Markov chains solver: software tools, in Proceeding from the 2006 Workshop on Tools for Solving Structured Markov Chains (ACM, New York, 2006), p. 14
5. A. Bobbio, A. Horváth, M. Telek, PhFit: a general phase-type fitting tool, in International Conference on Dependable Systems and Networks, 2002. DSN 2002. Proceedings (IEEE, New York, 2002), p. 543