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Submitted on: 24 August 2015.
Revised on: 26 September 2015.
Accepted on: 10 October 2015.
Scientific Journal of Silesian University of Technology-Series Transport
Submitted on: 03 March 2018.
Revised on: 20 March 2018.
Accepted on: 28 March 2018.
Scientific Journal of Silesian University of Technology-Series Transport
Submitted on: 21 July 2015.
Revised on: 24 August 2015.
Accepted on: 11 September 2015.
Scientific Journal of Silesian University of Technology-Series Transport
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Submitted on: 25 January 2012.
Revised on: 06 February 2012.
Accepted on: 15 February 2012.
Scientific Journal of Silesian University of Technology-Series Transport
http://reply.papertrans.cn/3/277/27676/27676-27.png
Submitted on: 13 February 2013.
Revised on: 16 March 2013.
Accepted on: 11 April 2013.
Scientific Journal of Silesian University of Technology-Series Transport
http://reply.papertrans.cn/3/277/27676/27676-29.png
http://reply.papertrans.cn/3/277/27676/27676-30.png