Submitted on: 21 August 1998.
Revised on: 04 December 1998.
Accepted on: 02 January 1999.
___________________International Journal of Structural Stability and Dynamics
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Submitted on: 26 April 2001.
Revised on: 16 August 2001.
Accepted on: 03 October 2001.
___________________International Journal of Structural Stability and Dynamics
Submitted on: 07 August 2015.
Revised on: 13 September 2015.
Accepted on: 11 October 2015.
___________________International Journal of Structural Stability and Dynamics
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Submitted on: 11 August 2021.
Revised on: 06 December 2021.
Accepted on: 18 January 2022.
___________________International Journal of Structural Stability and Dynamics
Submitted on: 05 October 2004.
Revised on: 09 November 2004.
Accepted on: 23 November 2004.
___________________International Journal of Structural Stability and Dynamics
Submitted on: 29 March 2000.
Revised on: 16 May 2000.
Accepted on: 29 June 2000.
___________________International Journal of Structural Stability and Dynamics