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Submitted on: 06 July 2002.
Revised on: 05 August 2002.
Accepted on: 21 August 2002.
___________________International Journal of Reliability Quality and Safety Engineering
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Submitted on: 12 August 2004.
Revised on: 14 November 2004.
Accepted on: 17 December 2004.
___________________International Journal of Reliability Quality and Safety Engineering
Submitted on: 01 April 2001.
Revised on: 19 June 2001.
Accepted on: 11 August 2001.
___________________International Journal of Reliability Quality and Safety Engineering
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Submitted on: 14 September 2011.
Revised on: 30 October 2011.
Accepted on: 19 December 2011.
___________________International Journal of Reliability Quality and Safety Engineering