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Submitted on: 07 April 2015.
Revised on: 29 April 2015.
Accepted on: 12 May 2015.
___________________COMPUTERS & GRAPHICS-UK---PERGAMON-ELSEVIER SCIENCE LTD
Submitted on: 02 October 2002.
Revised on: 23 November 2002.
Accepted on: 04 January 2003.
___________________COMPUTERS & GRAPHICS-UK---PERGAMON-ELSEVIER SCIENCE LTD
Submitted on: 24 April 2016.
Revised on: 19 August 2016.
Accepted on: 20 September 2016.
___________________COMPUTERS & GRAPHICS-UK---PERGAMON-ELSEVIER SCIENCE LTD
Submitted on: 27 June 2003.
Revised on: 24 August 2003.
Accepted on: 18 September 2003.
___________________COMPUTERS & GRAPHICS-UK---PERGAMON-ELSEVIER SCIENCE LTD
Submitted on: 15 March 2007.
Revised on: 19 April 2007.
Accepted on: 01 June 2007.
___________________COMPUTERS & GRAPHICS-UK---PERGAMON-ELSEVIER SCIENCE LTD
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Submitted on: 22 January 2018.
Revised on: 01 May 2018.
Accepted on: 14 May 2018.
___________________COMPUTERS & GRAPHICS-UK---PERGAMON-ELSEVIER SCIENCE LTD