Submitted on: 14 December 2007.
Revised on: 14 February 2008.
Accepted on: 08 April 2008.
___________________Journal of Materiomics---ELSEVIER
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Submitted on: 26 January 2011.
Revised on: 21 February 2011.
Accepted on: 16 March 2011.
___________________Journal of Materiomics---ELSEVIER
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