Submitted on: 16 April 2006.
Revised on: 08 May 2006.
Accepted on: 11 June 2006.
___________________Inzynieria Mineralna-Journal of the Polish Mineral Engineering Society
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http://reply.papertrans.cn/2/146/14544/14544-33.png
Submitted on: 18 December 2006.
Revised on: 14 February 2007.
Accepted on: 28 March 2007.
___________________Inzynieria Mineralna-Journal of the Polish Mineral Engineering Society
Submitted on: 11 April 2009.
Revised on: 16 May 2009.
Accepted on: 15 June 2009.
___________________Inzynieria Mineralna-Journal of the Polish Mineral Engineering Society
Submitted on: 21 May 2023.
Revised on: 24 August 2023.
Accepted on: 20 September 2023.
___________________Inzynieria Mineralna-Journal of the Polish Mineral Engineering Society