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Durham University

Email and Telephone Directory

Staff Profile

Frank Coolen, PhD Eindhoven University of Technology

Personal web page

Director of Postgraduate Studies, Professor, Statistics in the Department of Mathematical Sciences
Telephone: +44 (0) 191 33 43048
Room number: CM206

Contact Frank Coolen (email at frank.coolen@durham.ac.uk)

Research Groups

Department of Mathematical Sciences

  • Probability & Statistics: Statistics
  • Probability and Statistics

Research Interests

  • Decision Theory
  • Imprecise Probability
  • Nonparametric Predictive Inference
  • Operations Research
  • Reliability Theory
  • Statistics

Publications

Chapter in book

  • Wooff, D.A., Goldstein, M. & Coolen, F.P.A. (2018). Bayesian graphical models for high complexity testing: aspects of implementation. In Analytic Methods in Systems and Software Testing. Kenett, R.S., Ruggeri, F. & Faltin, F.W. Hoboken, NJ, USA: Wiley. 213-243.

Journal Article

  • Coolen, F.P.A., Ahmadini, A.A.H. & Coolen-Maturi, T. (2021). Imprecise inference based on the log-rank test for accelerated life testing. Metrika
  • Coolen-Maturi, T., Coolen, Frank P.A. & Balakrishnan, Narayanaswamy (2021). The joint survival signature of coherent systems with shared components. Reliability Engineering and System Safety
  • Utkin, L.V. & Coolen, F.P.A. (2020). A new boosting-based software reliability growth model. Communications in Statistics - Theory and Methods
  • Huang, X., Coolen, F.P.A., Coolen-Maturi, T. & Zhang, Y. (2020). A new study on reliability importance analysis of phased mission systems. IEEE Transactions on Reliability 69(2): 522-532.
  • Li, Y., Coolen, F.P.A. & Zhu, C. (2020). A practical reliability design method considering the compound weight and load-sharing. International Journal of Approximate Reasoning 127: 17-32.
  • Ahmed, S., Shabbir, J., Gupta, S. & Coolen, F.P.A. (2020). Estimation of small area total with randomized data. REVSTAT - Statistical Journal 18(2): 223-235.
  • Utkin, L.V., Kovalev, M.S. & Coolen, F.P.A. (2020). Imprecise weighted extensions of random forests for classification and regression. Applied Soft Computing 92: 106324.
  • Thach, T.T., Bris, R., Volf, P. & Coolen, F.P.A. (2020). Non-linear failure rate: A Bayes study using Hamiltonian Monte Carlo simulation. International Journal of Approximate Reasoning 123: 55-76.
  • Coolen, F.P.A. & Bin Himd, S. (2020). Nonparametric predictive inference bootstrap with application to reproducibility of the two-sample Kolmogorov-Smirnov test. Journal of Statistical Theory and Practice 14(2): 26.
  • He, T., Coolen, F.P.A. & Coolen-Maturi, T. (2020). Nonparametric Predictive Inference for American Option Pricing based on the Binomial Tree Model. Communications in Statistics – Theory and Methods
  • Alabdulhadi, M., Coolen-Maturi, T. & Coolen, F.P.A. (2020). Nonparametric predictive inference for comparison of two diagnostic tests. Communications in Statistics - Theory and Methods
  • Coolen-Maturi, T., Coolen, F.P.A. & Alabdulhadi, M. (2020). Nonparametric predictive inference for diagnostic test thresholds. Communications in Statistics – Theory and Methods 49(3): 697-725.
  • Coolen, F.P.A. & Marques, F.J. (2020). Nonparametric predictive inference for test reproducibility by sampling future data orderings. Journal of Statistical Theory and Practice 14(4): 62.
  • Coolen, F.P.A., Huang, X. & Najem, A. (2020). Reliability analysis of phased mission systems when components can be swapped upon failure. ASCE-ASME Journal of Risk and Uncertainty in Engineering Systems Part B: Mechanical Engineering 6(2): 020905.
  • Li, Y., Coolen, F.P.A., Zhu, C. & Tan, J. (2020). Reliability assessment of the hydraulic system of wind turbines based on load-sharing using survival signature. Renewable Energy 153: 766-776.
  • Ahmadini, A.A.H. & Coolen, F.P.A. (2020). Statistical inference for the Arrhenius-Weibull accelerated life testing model with imprecision based on the likelihood ratio test. Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability 234(2): 275-289.
  • Huang, X., Coolen, F.P.A. & Coolen-Maturi, T. (2019). A heuristic survival signature based approach for reliability-redundancy allocation. Reliability Engineering and System Safety 185: 511-517.
  • Stanley, J. & Coolen, F.P.A. (2019). Applying prospect theory to multi-attribute problems with independence assumptions. Involve - A Journal of Mathematics 12(4): 687-711.
  • Marques, F.J., Coolen, F.P.A. & Coolen-Maturi, T. (2019). Approximations for the likelihood ratio statistic for hypothesis testing between two Beta distributions. Journal of Statistical Theory and Practice 13: 17.
  • George-Williams, H., Feng, G., Coolen, F.P.A., Beer, M. & Patelli, E. (2019). Extending the survival signature paradigm to complex systems with non-repairable dependent failures. Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability 233(4): 505-519.
  • Marques, F.J., Coolen, F.P.A. & Coolen-Maturi, T. (2019). Introducing nonparametric predictive inference methods for reproducibility of likelihood ratio tests. Journal of Statistical Theory and Practice 13: 15.
  • Coolen-Maturi, T. & Coolen, F.P.A. (2019). Non‐parametric predictive inference for the validation of credit rating systems. Journal of the Royal Statistical Society: Series A 182(4): 1189-1204.
  • Alabdulhadi, M.H., Coolen, F.P.A. & Coolen-Maturi, T. (2019). Nonparametric predictive comparison of two diagnostic tests based on total numbers of correctly diagnosed individuals. Journal of Statistical Theory and Practice 13: 38.
  • He, T., Coolen, F.P.A. & Coolen-Maturi, T. (2019). Nonparametric Predictive Inference for European Option Pricing based on the Binomial Tree Model. Journal of the Operational Research Society 70(10): 1692-1708.
  • Chen, J., Coolen, F.P.A. & Coolen-Maturi, T. (2019). On nonparametric predictive inference for asset and European option trading in the binomial tree model. Journal of the Operational Research Society 70(10): 1678-1691.
  • Huang, Xianzhen, Aslett, Louis J.M. & Coolen, Frank P.A. (2019). Reliability analysis of general phased mission systems with a new survival signature. Reliability Engineering & System Safety 189: 416-422.
  • Alqifari, H.N. & Coolen, F.P.A. (2019). Robustness of nonparametric predictive inference for future order statistics. Journal of Statistical Theory and Practice 13(1): 12.
  • Najem, A. & Coolen, F.P.A. (2019). System reliability and component importance when components can be swapped upon failure. Applied Stochastic Models in Business and Industry 35(3): 399-413.
  • Li, Y. & Coolen, F.P.A. (2019). Time-dependent reliability analysis of wind turbines considering load-sharing using fault tree analysis and Markov chains. Journal of Risk and Reliability 233(6): 1074-1085.
  • Utkin, L.V. & Coolen, F.P.A. (2018). A robust weighted SVR-based software reliability growth model. Reliability Engineering and System Safety 176: 93-101.
  • Utkin, L.V. & Coolen, F.P.A. (2018). Imprecise probabilistic inference for software run reliability growth models. Journal of Uncertain Systems 12(4): 292-308.
  • Qarmalah, Najla M., Einbeck, Jochen & Coolen, Frank P.A. (2018). k-Boxplots for mixture data. Statistical Papers 59(2): 513-528.
  • Eryilmaz, S., Coolen, F.P.A. & Coolen-Maturi, T. (2018). Marginal and joint reliability importance based on survival signature. Reliability Engineering and System Safety 172: 118-128.
  • Eryilmaz, S., Coolen, F.P.A. & Coolen-Maturi, T. (2018). Mean residual life of coherent systems consisting of multiple types of dependent components. Naval Research Logistics 65(1): 86-97.
  • Coolen, F.P.A., Coolen-Maturi, T. & Alqifari, H.N. (2018). Nonparametric predictive inference for future order statistics. Communications in Statistics - Theory and Methods 47(10): 2527-2548.
  • Coolen, F.P.A. & Alqifari, H.N. (2018). Nonparametric predictive inference for reproducibility of two basic tests based on order statistics. REVSTAT - Statistical Journal 16(2): 167-185.
  • Muhammad, N., Coolen-Maturi, T. & Coolen, F.P.A. (2018). Nonparametric predictive inference with parametric copulas for combining bivariate diagnostic tests. Statistics, Optimization and Information Computing 6(3): 398-408.
  • Huang, X. & Coolen, F.P.A. (2018). Reliability sensitivity analysis of coherent systems based on survival signature. Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability 232(6): 627-634.
  • Walter, G. & Coolen, F.P.A. (2018). Robust Bayesian reliability for complex systems under prior-data conflict. ASCE-ASME Journal of Risk and Uncertainty in Engineering Systems, Part A: Civil Engineering 4(3): 04018025.
  • Yin, Y.-C., Coolen, F.P.A. & Coolen-Maturi, T. (2017). An imprecise statistical method for accelerated life testing using the power-Weibull model. Reliability Engineering and System Safety 167: 158-167.
  • Walter, G., Aslett, L.J.M. & Coolen, F.P.A. (2017). Bayesian nonparametric system reliability using sets of priors. International Journal of Approximate Reasoning 80(1): 67-88.
  • Qarmalah, Najla M., Einbeck, Jochen & Coolen, Frank P.A. (2017). Mixture Models for Prediction from Time Series, with Application to Energy Use Data. Archives of Data Science Series A 2(1): 1-15.
  • Baker, R.M., Coolen-Maturi, T. & Coolen, F.P.A. (2017). Nonparametric predictive inference for stock returns. Journal of Applied Statistics 44(8): 1333-1349.
  • Wu, S., Coolen, F.P.A. & Liu, B. (2017). Optimisation of maintenance policy under parameter uncertainty using portfolio theory. IISE Transactions 49(7): 711-721.
  • Patelli,E., Feng,G., Coolen, F.P.A. & Coolen-Maturi,T. (2017). Simulation Methods for System Reliability Using the Survival Signature. Reliability Engineering & System Safety 167: 327-337.
  • Feng, G., Patelli, E., Beer, M. & Coolen, F.P.A. (2016). Imprecise system reliability and component importance based on survival signature. Reliability Engineering & System Safety 150: 116-125.
  • Coolen, F.P.A. & Coolen-Maturi, T. (2016). On the structure function and survival signature for system reliability. Safety and Reliability 36(2): 77-87.
  • Coolen-Maturi, T., Coolen, F.P.A. & Muhammad, N. (2016). Predictive inference for bivariate data: Combining nonparametric predictive inference for marginals with an estimated copula. Journal of Statistical Theory and Practice 10(3): 515-538.
  • Coolen, F.P.A. & Coolen-Maturi, T. (2016). The structure function for system reliability as predictive (imprecise) probability. Reliability Engineering & System Safety 154: 180-187.
  • Houlding, B., Coolen, F.P.A. & Bolger, D. (2015). A conjugate class of utility functions for sequential decision problems. Risk Analysis 35(9): 1611-1622.
  • Aslett, L.J.M., Coolen, F.P.A. & Wilson, S.P. (2015). Bayesian inference for reliability of systems and networks using the survival signature. Risk Analysis 35(9): 1640-1651.
  • Utkin, L.V. & Coolen, F.P.A. (2015). Imprecise individual risk models of insurance. Journal of Uncertain Systems 9(3): 198-214.
  • Utkin, L.V., Coolen, F.P.A. & Gurov, S.V. (2015). Imprecise inference for warranty contract analysis. Reliability Engineering & System Safety 138: 31-39.
  • Wang, B.X., Yu, K. & Coolen, F.P.A. (2015). Interval estimation for proportional reversed hazard family based on lower record values. Statistics & Probability Letters 98: 115-122.
  • Coolen-Maturi, T. & Coolen, F.P.A. (2015). Nonparametric Predictive Inference with Combined Data Under Different Right-Censoring Schemes. Journal of Statistical Theory and Practice 9(2): 288-304.
  • Coolen, F.P.A. & Coolen-Maturi, T. (2015). Predictive inference for system reliability after common-cause component failures. Reliability Engineering & System Safety 135: 27-33.
  • Abellán, J., Baker, R.M., Coolen, F.P.A., Crossman, R.J. & Masegosa, A.R. (2014). Classification with decision trees from a nonparametric predictive inference perspective. Computational Statistics & Data Analysis 71: 789-802.
  • Utkin, L.V. & Coolen, F.P.A. (2014). Classification with support vector machines and Kolmogorov-Smirnov bounds. Journal of Statistical Theory and Practice 8(2): 297-318.
  • Coolen-Maturi, T. & Coolen, F.P.A. (2014). Nonparametric predictive inference for combined competing risks data. Reliability Engineering & System Safety 126: 87-97.
  • Aboalkhair, A.M., Coolen, F.P.A. & MacPhee, I.M. (2014). Nonparametric predictive inference for reliability of a k-out-of-m:G system with multiple component types. Reliability Engineering & System Safety 131: 298-304.
  • Coolen, F.P.A. & Bin Himd, S. (2014). Nonparametric predictive inference for reproducibility of basic nonparametric tests. Journal of Statistical Theory and Practice 8(4): 591-618.
  • Coolen, F.P.A. , Coolen-Maturi, T. & Al-nefaiee, A.H. (2014). Nonparametric predictive inference for system reliability using the survival signature. Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability 228(5): 437-448.
  • Coolen-Maturi, T., Elkhafifi, F.F. & Coolen, F.P.A. (2014). Three-group ROC analysis: a nonparametric predictive approach. Computational Statistics & Data Analysis 78: 69-81.
  • Wu, S. & Coolen, F.P.A. (2013). A cost-based importance measure for system components: An extension of the Birnbaum importance. European Journal of Operational Research 225(1): 189-195.
  • Coolen, F.P.A. (2013). Maximum group sizes for simultaneous testing in high potential risk scenarios. Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability 227(6): 569-575.
  • Al-Nefaiee, A.H. & Coolen, F.P.A. (2013). Nonparametric predictive inference for system failure time based on bounds for the signature. Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability 227(5): 513-522.
  • Aboalkhair, A.M., Coolen, F.P.A. & MacPhee, I.M. (2013). Nonparametric predictive reliability of series of voting systems. European Journal of Operational Research 226(1): 77-84.
  • Elsaeiti, M.A. & Coolen, F.P.A. (2012). A nonparametric predictive approach to sequential acceptance problems. Journal of Statistical Theory and Practice 6(3): 383-401.
  • Elkhafifi, F.F. & Coolen, F.P.A. (2012). Nonparametric predictive inference for accuracy of ordinal diagnostic tests. Journal of Statistical Theory and Practice 6(4): 681-697.
  • Coolen-Maturi, T., Coolen-Schrijner, P. & Coolen, F.P.A. (2012). Nonparametric predictive inference for binary diagnostic tests. Journal of Statistical Theory and Practice 6(4): 665-680.
  • Coolen-Maturi, T., Coolen-Schrijner, P. & Coolen, F.P.A. (2012). Nonparametric predictive inference for diagnostic accuracy. Journal of Statistical Planning and Inference 142(5): 1141-1150.
  • Coolen, F.P.A. & Al-nefaiee, A.H. (2012). Nonparametric predictive inference for failure times of systems with exchangeable components. Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability 226(3): 262-273.
  • Coolen-Maturi, T., Coolen-Schrijner, P. & Coolen, F.P.A. (2012). Nonparametric predictive multiple comparisons of lifetime data. Communications in Statistics - Theory and Methods 41(22): 4164-4181.
  • Houlding, B. & Coolen, F.P.A. (2012). Nonparametric predictive utility inference. European Journal of Operational Research 221(1): 222-230.
  • Houlding, B & Coolen, FPA (2011). Adaptive utility and trial aversion. Journal of Statistical Planning and Inference 141(2): 734-747.
  • Coolen, F.P.A., Houlding, B. & Parkinson, S.G. (2011). Considerations on jury size and composition using lower probabilities. Journal of Statistical Planning and Inference 141(1): 382-391.
  • Abellán, J, Baker, RM & Coolen, FPA (2011). Maximising entropy on the nonparametric predictive inference model for multinomial data. European Journal of Operational Research 212(1): 112-122.
  • Coolen-Maturi, T, Coolen-Schrijner, P, & Coolen, F.P.A. (2011). Nonparametric predictive selection with early experiment termination. Journal of Statistical Planning and Inference 141(4): 1403-1421.
  • Crossman, R.J., Coolen-Schrijner, P. & Coolen, F.P.A. (2011). The shape of the hazard rate for finite continuous-time birth–death processes. Statistics & Probability Letters 81(2): 181-187.
  • Coolen-Maturi, T. & Coolen, F.P.A. (2011). Unobserved, re-defined, unknown or removed failure modes in competing risks. Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability 225(4): 461-474.
  • Venkat, D., Coolen, F.P.A. & Coolen-Schrijner, P. (2010). Extended opportunity-based age replacement with a one-cycle criterion. Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability 224(1): 55-62.
  • Augustin, Thomas, Coolen, Frank P. A., Moral, Serafín & Troffaes, Matthias C. M. (2010). Imprecise probability in statistical inference and decision making. International Journal of Approximate Reasoning 51(9): 1011-1013.
  • Utkin, L.V., Zatenko, S.I. & Coolen, F.P.A. (2010). New interval Bayesian models for software reliability based on non-homogeneous Poisson processes. Automation and Remote Control 71(5): 935-944.
  • Baker, R.M. & Coolen, F.P.A. (2010). Nonparametric predictive category selection for multinomial data. Journal of Statistical Theory and Practice 4(3): 509-526.
  • Maturi, TA, Coolen-Schrijner, P & Coolen, FPA (2010). Nonparametric predictive comparison of lifetime data under progressive censoring. Journal of Statistical Planning and Inference 140(2): 515–525.
  • Maturi, T.A., Coolen-Schrijner, P. & Coolen, F.P.A. (2010). Nonparametric predictive inference for competing risks. Proceedings of the Institution of Mechanical Engineers - Part O: Journal of Risk and Reliability 224(1): 11-26.
  • Roelofs, V.J., Coolen, F.P.A. & Hart, A.D.M. (2010). Nonparametric predictive inference for exposure assessment. Risk Analysis 31(2): 218-227.
  • Coolen, F.P.A., Spinato, F. & Venkat, D. (2010). On modelling of grouped reliability data for wind turbines. IMA Journal of Management Mathematics 21(4): 363-372.
  • Coolen, F.P.A. & Augustin, T. (2009). A nonparametric predictive alternative to the Imprecise Dirichlet Model: the case of a known number of categories. International Journal of Approximate Reasoning 50(2): 217-230.
  • Troffaes, Matthias & Coolen, Frank (2009). Applying the imprecise Dirichlet model in cases with partial observations and dependencies in failure data. International Journal of Approximate Reasoning 50(2): 257-268.
  • Montgomery, V.J., Coolen, F.P.A. & Hart, A.D.M. (2009). Bayesian probability boxes in risk assessment. Journal of Statistical Theory and Practice 3(1): 69-83.
  • Coolen-Schrijner, Pauline, Coolen, Frank P. A., Troffaes, Matthias C. M. & Augustin, Thomas (2009). Imprecision in Statistical Theory and Practice. Journal of Statistical Theory and Practice 3(1): 1-9.
  • Coolen, F.P.A. & Elsaeiti, M.A. (2009). Nonparametric predictive methods for acceptance sampling. Journal of Statistical Theory and Practice 3(4): 907-921.
  • Maturi, T.A., Coolen-Schrijner, P. & Coolen, F.P.A. (2009). Nonparametric predictive pairwise comparison for real-valued data with terminated tails. International Journal of Approximate Reasoning 51(1): 141-150.
  • Coolen-Schrijner, P., Maturi, T.A. & Coolen, F.P.A. (2009). Nonparametric predictive precedence testing for two groups. Journal of Statistical Theory and Practice 3(1): 273-287.
  • MacPhee, I.M., Coolen, F.P.A. & Aboalkhair, A.M. (2009). Nonparametric predictive system reliability with redundancy allocation following component testing. Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability 223(3): 181-188.
  • Coolen-Schrijner, P., Shaw, S.C. & Coolen, F.P.A. (2009). Opportunity-based age replacement with a one-cycle criterion. Journal of the Operational Research Society 60(10): 1428-1438.
  • Crossman, R.J., Coolen-Schrijner, P. & Coolen, F.P.A. (2009). Time-homogeneous birth-death processes with probability intervals and absorbing state. Journal of Statistical Theory and Practice 3(1): 103-118.
  • Coolen-Schrijner, P., Coolen, F.P.A. & MacPhee, I.M. (2008). Nonparametric predictive inference for system reliability with redundancy allocation. Proceedings of the Institution of Mechanical Engineers - Part O: Journal of Risk and Reliability 222(4): 463-476.
  • Arts, G.R.J. & Coolen, F.P.A. (2008). Two nonparametric predictive control charts. Journal of Statistical Theory and Practice 2(4): 499-512.
  • Coolen, F.P.A. (2007). Nonparametric prediction of unobserved failure modes. Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability 221(3): 207-216.
  • Coolen, F. P. A. & Coolen-Schrijner, P. (2007). Nonparametric predictive comparison of proportions. Journal of Statistical Planning and Inference 137(1): 23-33.
  • Coolen-Schrijner, P., Coolen, F.P.A. & Shaw, S.C. (2006). Nonparametric adaptive opportunity-based replacement strategies. Journal of the Operational Research Society 57(1): 63-81.
  • Coolen, F.P.A. (2006). On Nonparametric Predictive Inference and Objective Bayesianism. Journal of Logic, Language and Information 15(1-2): 21-47.
  • Coolen, F. P. A., Coolen-Schrijner, P. & Rahrouh, R. (2005). Bayesian reliability demonstration for failure-free periods. Reliability Engineering & System Safety 88(1): 81-91.
  • Coolen, F., Coolen-Schrijner, P. & Rahrouh, M. (2005). Bayesian reliability demonstration with multiple independent tasks. IMA journal of management mathematics, 17(2): 131-142.
  • Coolen, F.P.A. & Coolen-Schrijner, P. (2005). Nonparametric predictive reliability demonstration for failure-free periods. IMA Journal of Management Mathematics 16(1): 1-11.
  • Augustin, T. & Coolen, F. P. A. (2004). Nonparametric predictive inference and interval probability. Journal of Statistical Planning and Inference 124(2): 251-272.
  • Coolen, F. P. A. & Yan, K. J. (2004). Nonparametric predictive inference with right-censored data. Journal of Statistical Planning and Inference 126(1): 25-54.
  • Coolen, F.P.A. & Coolen-Schrijner, P. (2003). A nonparametric predictive method for queues. European journal of operational research 145(2): 425-442.
  • Wooff, D. A., Goldstein, M. & Coolen, F. P. A. (2002). Bayesian Graphical Models for Software Testing. IEEE Transactions on Software Engineering 28(5): 510-525.
  • Coolen, F.P.A., Coolen-Schrijner, P. & Yan, K.J. (2002). Nonparametric predictive inference in reliability. Reliability engineering and system safety 78(2): 185-193.
  • Coolen, F. & Coolen-Schrijner, P. (2000). Condition monitoring: a new perspective. Journal of the Operational Research Society 51: 311-319.
  • Coolen, F. (1998). Low structure imprecise predictive inference for Bayes' problem. Statistics and Probability Letters 36: 349-357.
  • Coolen, F. (1997). An imprecise Dirichlet model for Bayesian analysis of failure data including right-censored observations. Reliability Engineering and System Safety 56: 61-68.

Conference Paper

  • Coolen, F., Coolen-Schrijner, P. & Shaw, S. (2004), Adaptive (opportunity-based) age replacement strategies, in Newby, Martin, Scarf, P. A. & Wang, Wenbin eds, 5th IMA International Conference on Modelling in Industrial Maintenance and Reliability. Salford, Institute of Mathematics and its Applications.

Supervises