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Submitted on: 28 May 2007.
Revised on: 15 August 2007.
Accepted on: 31 August 2007.
___________________International Journal of Self-Propagating High-Temperature Synthesis
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Submitted on: 29 March 2009.
Revised on: 24 May 2009.
Accepted on: 16 July 2009.
___________________International Journal of Self-Propagating High-Temperature Synthesis
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