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Submitted on: 20 October 2011.
Revised on: 31 October 2011.
Accepted on: 05 November 2011.
PERIODICA POLYTECHNICA-CHEMICAL ENGINEERING
Submitted on: 29 March 2002.
Revised on: 10 April 2002.
Accepted on: 26 April 2002.
PERIODICA POLYTECHNICA-CHEMICAL ENGINEERING
Submitted on: 16 February 2009.
Revised on: 28 March 2009.
Accepted on: 23 April 2009.
PERIODICA POLYTECHNICA-CHEMICAL ENGINEERING
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Submitted on: 17 April 2003.
Revised on: 27 May 2003.
Accepted on: 12 June 2003.
PERIODICA POLYTECHNICA-CHEMICAL ENGINEERING
Submitted on: 04 December 2003.
Revised on: 22 December 2003.
Accepted on: 28 December 2003.
PERIODICA POLYTECHNICA-CHEMICAL ENGINEERING
Submitted on: 25 February 2006.
Revised on: 07 April 2006.
Accepted on: 13 April 2006.
PERIODICA POLYTECHNICA-CHEMICAL ENGINEERING