Bagai, IshaJain, K2013-06-122013-06-121994-03IEEE Transactions on Reliability,v.43,no.1,p.156 - 162http://hdl.handle.net/10263/5411enImprovement and deteriorationStochastic processesReliability theoryMaintenance engineeringImprovement, deterioration, and optimal replacement under age-replacement with minimal repairArticle