Akram Khaleghei Ghosheh Balagh and  Viliam Makis and  Leila Jafari,  An Optimal Bayesian Maintenance Policy for a Partially Observable System Subject to Two Failure Modes.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2014, vol. 93(9). 1543 - 1547
    [viewed 19 March 2024]. Available from: https://publications.waset.org/pdf/9999273.