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Submitted on: 21 May 2011.
Revised on: 16 August 2011.
Accepted on: 09 September 2011.
___________________CIVIL ENGINEERING AND ENVIRONMENTAL SYSTEMS
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Submitted on: 13 September 2001.
Revised on: 07 October 2001.
Accepted on: 28 November 2001.
___________________CIVIL ENGINEERING AND ENVIRONMENTAL SYSTEMS
Submitted on: 25 July 2001.
Revised on: 28 August 2001.
Accepted on: 17 October 2001.
___________________CIVIL ENGINEERING AND ENVIRONMENTAL SYSTEMS
Submitted on: 19 May 2001.
Revised on: 13 July 2001.
Accepted on: 26 July 2001.
___________________CIVIL ENGINEERING AND ENVIRONMENTAL SYSTEMS
Submitted on: 02 August 2007.
Revised on: 22 September 2007.
Accepted on: 02 November 2007.
___________________CIVIL ENGINEERING AND ENVIRONMENTAL SYSTEMS
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