Submitted on: 05 August 2007.
Revised on: 13 October 2007.
Accepted on: 04 December 2007.
___________________International Journal of Geo-Engineering
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Submitted on: 04 November 2012.
Revised on: 03 March 2013.
Accepted on: 01 May 2013.
___________________International Journal of Geo-Engineering
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Submitted on: 20 December 2000.
Revised on: 28 January 2001.
Accepted on: 04 March 2001.
___________________International Journal of Geo-Engineering
Submitted on: 02 March 2016.
Revised on: 19 May 2016.
Accepted on: 20 June 2016.
___________________International Journal of Geo-Engineering
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Submitted on: 22 January 2002.
Revised on: 23 February 2002.
Accepted on: 08 March 2002.
___________________International Journal of Geo-Engineering