Submitted on: 04 February 1998.
Revised on: 09 March 1998.
Accepted on: 15 April 1998.
___________________International Journal of Rail Transportation
Submitted on: 30 October 2013.
Revised on: 20 February 2014.
Accepted on: 08 April 2014.
___________________International Journal of Rail Transportation
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Submitted on: 08 February 2016.
Revised on: 13 March 2016.
Accepted on: 07 May 2016.
___________________International Journal of Rail Transportation
Submitted on: 17 October 2013.
Revised on: 28 December 2013.
Accepted on: 23 January 2014.
___________________International Journal of Rail Transportation
Submitted on: 12 August 2024.
Revised on: 28 November 2024.
Accepted on: 17 January 2025.
___________________International Journal of Rail Transportation
Submitted on: 16 October 2016.
Revised on: 20 December 2016.
Accepted on: 07 February 2017.
___________________International Journal of Rail Transportation
Submitted on: 17 May 2000.
Revised on: 10 July 2000.
Accepted on: 05 August 2000.
___________________International Journal of Rail Transportation
Submitted on: 13 November 2020.
Revised on: 04 March 2021.
Accepted on: 22 March 2021.
___________________International Journal of Rail Transportation
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