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Submitted on: 04 February 2001.
Revised on: 27 May 2001.
Accepted on: 18 June 2001.
___________________DISCRETE EVENT DYNAMIC SYSTEMS-THEORY AND APPLICATIONS
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Submitted on: 27 August 2008.
Revised on: 04 November 2008.
Accepted on: 20 December 2008.
___________________DISCRETE EVENT DYNAMIC SYSTEMS-THEORY AND APPLICATIONS
Submitted on: 01 January 2015.
Revised on: 14 February 2015.
Accepted on: 11 March 2015.
___________________DISCRETE EVENT DYNAMIC SYSTEMS-THEORY AND APPLICATIONS
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