1. Artalejo, J.R., Gomez-Corral, A., He, Q.M.: Markovian arrivals in stochastic modelling: a survey and some new results. Sort: Statistics and Operations Research Transactions 34(2), 101–156 (2010)
2. Asmussen, S., Nerman, O., Olsson, M.: Fitting phase-type distributions via the EM-algorithm. Scand. J. Stat. 23(4), 419–441 (1996)
3. Breuer, L.: An EM algorithm for batch Markovian arrival processes and its comparison to a simpler estimation procedure. Annals OR 112(1-4), 123–138 (2002)
4. Lecture Notes in Computer Science;P. Buchholz,2003
5. Buchholz, P., Felko, I., Kriege, J.: Input Modeling with Phase Type Distributions and Markov Models. Springer (to appear)