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Submitted on: 29 December 2008.
Revised on: 07 January 2009.
Accepted on: 19 January 2009.
Latin American Journal of Solids and Structures
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Submitted on: 13 July 2007.
Revised on: 16 August 2007.
Accepted on: 01 September 2007.
Latin American Journal of Solids and Structures
Submitted on: 17 August 2013.
Revised on: 06 September 2013.
Accepted on: 10 September 2013.
Latin American Journal of Solids and Structures