1. Probability distributions of phase type;Neuts,1975
2. Structured Stochastic Matrices of M/G/1 Type and Their Applications;Neuts,1989
3. Matrix-Geometric Solutions in Stochastic Models-An Algorithmic Approach;Neuts,1981
4. On the limitations of multivariate phase-type families;O'Cinneide;Opns. Res.,1990
5. Phase-type distributions: Open problems and a few properties;O'Cinneide;Stochastic Models,1999