Submitted on: 13 May 2023.
Revised on: 27 July 2023.
Accepted on: 13 September 2023.
___________________Acta Polytechnica Hungarica---BUDAPEST TECH
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Submitted on: 30 May 1998.
Revised on: 30 June 1998.
Accepted on: 05 August 1998.
___________________Acta Polytechnica Hungarica---BUDAPEST TECH
Submitted on: 03 May 2001.
Revised on: 06 July 2001.
Accepted on: 09 August 2001.
___________________Acta Polytechnica Hungarica---BUDAPEST TECH
Submitted on: 28 May 2002.
Revised on: 12 July 2002.
Accepted on: 24 August 2002.
___________________Acta Polytechnica Hungarica---BUDAPEST TECH
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Submitted on: 05 June 2003.
Revised on: 22 September 2003.
Accepted on: 23 October 2003.
___________________Acta Polytechnica Hungarica---BUDAPEST TECH
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