A Bayesian approach to an adaptive preventive maintenance model. - Shey-Huei Sheu; Ruey-Huei Yeh; Yuh-Bin Lin; Muh-Guey Juang (Reliab. Eng. Syst. Saf., 2001)

Optimal policies with decreasing probability of imperfect maintenance. - Shey-Huei Sheu; Yuh-Bin Lin; Gwo-Liang Liao (IEEE Trans. Reliab., 2005)

Optimum policies for a system with general imperfect maintenance. - Shey-Huei Sheu; Yuh-Bin Lin; Gwo-Liang Liao (Reliab. Eng. Syst. Saf., 2006)