Submitted on: 05 December 2008.
Revised on: 03 April 2009.
Accepted on: 26 May 2009.
___________________EUROPEAN POLYMER JOURNAL---PERGAMON-ELSEVIER SCIENCE LTD
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Submitted on: 30 July 2000.
Revised on: 22 November 2000.
Accepted on: 21 December 2000.
___________________EUROPEAN POLYMER JOURNAL---PERGAMON-ELSEVIER SCIENCE LTD
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Submitted on: 05 April 2012.
Revised on: 28 May 2012.
Accepted on: 03 July 2012.
___________________EUROPEAN POLYMER JOURNAL---PERGAMON-ELSEVIER SCIENCE LTD
Submitted on: 23 June 2000.
Revised on: 20 September 2000.
Accepted on: 14 November 2000.
___________________EUROPEAN POLYMER JOURNAL---PERGAMON-ELSEVIER SCIENCE LTD