Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Sofia Panagiotidou, George Tagaras. Optimal preventive maintenance for equipment with two quality states and general failure time distributions. European Journal of Operational Research, 180(1):329-353, 2007. [doi]