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Submitted on: 19 January 2002.
Revised on: 06 March 2002.
Accepted on: 30 April 2002.
___________________Journal of Hydrology and Hydromechanics
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Submitted on: 29 June 2014.
Revised on: 03 August 2014.
Accepted on: 27 September 2014.
___________________Journal of Hydrology and Hydromechanics
Submitted on: 11 October 2003.
Revised on: 03 February 2004.
Accepted on: 13 February 2004.
___________________Journal of Hydrology and Hydromechanics
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Submitted on: 23 September 2015.
Revised on: 08 November 2015.
Accepted on: 04 January 2016.
___________________Journal of Hydrology and Hydromechanics
Submitted on: 19 October 2007.
Revised on: 03 December 2007.
Accepted on: 18 December 2007.
___________________Journal of Hydrology and Hydromechanics
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