1. F. Grabski. Semi-Markov Models of Systems Reliability and Operations. Systems Research Institute, Polish Academy of Sciences, Warsaw, 2002.
2. K. Kolowrocki. Asymptotic Approach to System Reliability Analysis. Monograph, System Research Institute, Polish Academy of Sciences, Warsaw, 2001.
3. K. Kolowrocki. Reliability of Large Systems. Elsevier, 2004.
4. J. Soszyńska. Reliability of Multi-state Systems in Variable Operation Conditions. Report Maritime University, Gdynia, 2003.
5. K. Kolowrocki, A. Blokus, A. Cichocki, B. Kwiatuszewska-Sarnecka, B. Milczek, J. Soszyńska. Asymptotic Approach to Reliability Analysis and Optimisation of Complex Transport Systems. Gdynia Maritime University. Project founded by the Polish Committee for Scientific Research, Gdynia, 2002. (in Polish)