[1]    1、作者：M.A.K. Malik,

题目：Reliable preventive maintenance scheduling,

出处：AIIE Transactions 11 (1979) 221-228.

所在数据库：http://www.informaworld.com

[2]    2、作者：M.S. Finkelstein,

题目：A scale model of general repair ,

出处：Microelectronics and Reliability 33 (10) (1993) 41-44.

所在数据库：http://www.sciencedirect.com

[3]    3、作者：Atanu Biswas, Jyotirmoy Sarkar,

题目：Availability of a system maintained through several imperfect repairs before a replacement or a perfect repair,

出处： Statistics & Probability Letters, Volume 50, Issue 2, 1 November 2000, Pages 105-114.

所在数据库：http://www.sciencedirect.com

谢谢！