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Submitted on: 08 April 2002.
Revised on: 27 July 2002.
Accepted on: 08 September 2002.
___________________Frontiers of Information Technology & Electronic Engineering
Submitted on: 25 December 2014.
Revised on: 14 February 2015.
Accepted on: 11 March 2015.
___________________Frontiers of Information Technology & Electronic Engineering
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Submitted on: 27 April 2023.
Revised on: 11 July 2023.
Accepted on: 26 July 2023.
___________________Frontiers of Information Technology & Electronic Engineering
Submitted on: 14 November 2001.
Revised on: 18 February 2002.
Accepted on: 17 April 2002.
___________________Frontiers of Information Technology & Electronic Engineering
Submitted on: 26 December 2011.
Revised on: 08 March 2012.
Accepted on: 22 April 2012.
___________________Frontiers of Information Technology & Electronic Engineering