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Submitted on: 10 October 2000.
Revised on: 03 January 2001.
Accepted on: 18 February 2001.
___________________JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
Submitted on: 08 January 2008.
Revised on: 20 March 2008.
Accepted on: 18 April 2008.
___________________JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
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