TY  - SER
AU  - Chien, Yu-Hung
AU  - Chang, C. C
AU  - Sheu, Shey-Huei
TI  - Optimal Periodical Time  for  Preventive Replacement Based on a Cumulative Repair-Cost limit and Random Lead Time
KW  - Minimal Repair
KW  - Preventive Replacement
KW  - Cumulative Repair-Cost limit
ER  -