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Submitted on: 15 July 2007.
Revised on: 28 August 2007.
Accepted on: 24 October 2007.
___________________ARCHIVES OF COMPUTATIONAL METHODS IN ENGINEERING
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Submitted on: 20 October 2020.
Revised on: 19 December 2020.
Accepted on: 05 January 2021.
___________________ARCHIVES OF COMPUTATIONAL METHODS IN ENGINEERING