%0 Journal Article %T Modeling Repairable System Failures with Repair Effect and Time Dependent Covariates %A Jayanthi Arasan %A Samira Ehsani %J IAENG International Journal of Applied Mathematics %D 2011 %I International Association of Engineers (IAENG) %U http://www.iaeng.org/IJAM/issues_v41/issue_3/IJAM_41_3_07.pdf