Submitted on: 19 November 2005.
Revised on: 26 February 2006.
Accepted on: 06 April 2006.
___________________Inzynieria Mineralna-Journal of the Polish Mineral Engineering Society
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Submitted on: 27 November 2020.
Revised on: 05 March 2021.
Accepted on: 25 March 2021.
___________________Inzynieria Mineralna-Journal of the Polish Mineral Engineering Society
Submitted on: 17 August 2001.
Revised on: 06 September 2001.
Accepted on: 06 October 2001.
___________________Inzynieria Mineralna-Journal of the Polish Mineral Engineering Society
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Submitted on: 25 November 2009.
Revised on: 02 January 2010.
Accepted on: 18 February 2010.
___________________Inzynieria Mineralna-Journal of the Polish Mineral Engineering Society
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Submitted on: 13 July 2021.
Revised on: 26 October 2021.
Accepted on: 30 November 2021.
___________________Inzynieria Mineralna-Journal of the Polish Mineral Engineering Society
Submitted on: 12 November 2016.
Revised on: 30 December 2016.
Accepted on: 14 January 2017.
___________________Inzynieria Mineralna-Journal of the Polish Mineral Engineering Society