Submitted on: 27 March 1998.
Revised on: 27 April 1998.
Accepted on: 21 May 1998.
___________________Frontiers of Information Technology & Electronic Engineering
Submitted on: 02 August 2015.
Revised on: 24 November 2015.
Accepted on: 05 December 2015.
___________________Frontiers of Information Technology & Electronic Engineering
Submitted on: 05 December 2010.
Revised on: 07 January 2011.
Accepted on: 27 February 2011.
___________________Frontiers of Information Technology & Electronic Engineering
Submitted on: 22 June 2005.
Revised on: 22 July 2005.
Accepted on: 02 August 2005.
___________________Frontiers of Information Technology & Electronic Engineering
Submitted on: 17 August 2019.
Revised on: 14 December 2019.
Accepted on: 29 January 2020.
___________________Frontiers of Information Technology & Electronic Engineering
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