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Submitted on: 07 June 2007.
Revised on: 23 July 2007.
Accepted on: 06 September 2007.
___________________INTERNATIONAL JOURNAL OF MACHINE TOOLS & MANUFACTURE
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Submitted on: 18 October 2010.
Revised on: 04 December 2010.
Accepted on: 22 December 2010.
___________________INTERNATIONAL JOURNAL OF MACHINE TOOLS & MANUFACTURE
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